{"id":32446,"date":"2019-07-26T18:49:24","date_gmt":"2019-07-26T13:19:24","guid":{"rendered":"https:\/\/cracku.in\/blog\/?p=32446"},"modified":"2019-07-26T18:59:52","modified_gmt":"2019-07-26T13:29:52","slug":"top-100-expected-rrb-ntpc-chemistry-questions-set-1-pdf","status":"publish","type":"post","link":"https:\/\/cracku.in\/blog\/top-100-expected-rrb-ntpc-chemistry-questions-set-1-pdf\/","title":{"rendered":"Top-100 Expected RRB NTPC Chemistry Questions Set-1 PDF"},"content":{"rendered":"<h1><span style=\"font-size: 18pt;\"><strong>Top-100 Expected RRB NTPC Chemistry Questions Set-1 PDF<\/strong><\/span><\/h1>\n<p>Download Top-100 Expected Chemistry questions and answers for RRB NTPC Stage-1 exam. Go through the video of Repeatedly asked and most important RRB NTPC Chemistry questions. These questions are based on previous year questions in Railways and other Govt exams.<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/downloads\/5590\" target=\"_blank\" class=\"btn btn-danger  download\">Download RRB NTPC CHEMISTRY QUESTIONS<\/a><\/p>\n<!-- Error, Advert is not available at this time due to schedule\/geolocation restrictions! -->\n<p><strong>Practice:<\/strong><\/p>\n<p>Take a <a href=\"https:\/\/cracku.in\/rrb-ntpc-mock-test\" target=\"_blank\" rel=\"noopener\">free mock test for RRB NTPC<\/a><\/p>\n<p>Practice 4500+\u00a0<a href=\"https:\/\/cracku.in\/rrb-study-material\" target=\"_blank\" rel=\"noopener\">Solved Questions for RRB NTPC<\/a><\/p>\n<p><strong>Download:<\/strong><\/p>\n<p>Download <a href=\"https:\/\/cracku.in\/railways-ntpc-previous-papers\" target=\"_blank\" rel=\"noopener\">RRB NTPC Previous Papers PDF<\/a><\/p>\n<p>Download <a href=\"https:\/\/cracku.in\/blog\/rrb-ntpc-study-material-important-questions-pdf\/\" target=\"_blank\" rel=\"noopener\">RRB NTPC Study Material PDF<\/a><br \/>\n<\/br><br \/>\n<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/ivwvEtma8P0\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<h2>Read this Post in <a style=\"color: blue;\" href=\"https:\/\/cracku.in\/blog\/te\/top-100-expected-rrb-ntpc-chemistry-questions-in-telugu-set-1-pdf\/\">Telugu<\/a><\/h2>\n<p><b>Question 1:\u00a0<\/b>The chemical bond in germanium crystal is<\/p>\n<p>a)\u00a0Metallic<\/p>\n<p>b)\u00a0Covalent<\/p>\n<p>c)\u00a0Electro &#8211; valent<\/p>\n<p>d)\u00a0Vaan der walls<\/p>\n<p><b>Question 2:\u00a0<\/b>The main chemical substance present in bones and teeth of animals is<\/p>\n<p>a)\u00a0Sodium Chloride<\/p>\n<p>\u200b_b)\u00a0Sugar<\/p>\n<p>c)\u00a0Calcium phosphate<\/p>\n<p>d)\u00a0Calcium Sulphate<\/p>\n<p><b>Question 3:\u00a0<\/b>The term &#8216;Heavy Water&#8221; refers to :<\/p>\n<p>a)\u00a0Ice<\/p>\n<p>b)\u00a0Deuterium oxide<\/p>\n<p>c)\u00a0Re-.distuilled water<\/p>\n<p>d)\u00a0Water at 4 1\/2 c<\/p>\n<p><b>Question 4:\u00a0<\/b>ECG is done to diagnose an ailment connected with<\/p>\n<p>a)\u00a0Kidney<\/p>\n<p>b)\u00a0Heart<\/p>\n<p>c)\u00a0Brain<\/p>\n<p>d)\u00a0Blood<\/p>\n<p><b>Question 5:\u00a0<\/b>What is the formula for Baking soda?<\/p>\n<p>a)\u00a0NaHCO<sub>2<\/sub><\/p>\n<p>b)\u00a0Na<sub>2<\/sub>CO<sub>3<\/sub><\/p>\n<p>c)\u00a0Na<sub>2<\/sub>CO<sub>4<\/sub><\/p>\n<p>d)\u00a0NaHCO<sub>3<\/sub><\/p>\n<p><b>Question 6:\u00a0<\/b>How is the rate of reaction based on the concentration of chemical products?<\/p>\n<p>a)\u00a0Rate law<\/p>\n<p>b)\u00a0Instantaneous rate<\/p>\n<p>c)\u00a0Rate constant<\/p>\n<p>d)\u00a0Molar Law<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/rrb-ntpc-mock-test\" target=\"_blank\" class=\"btn btn-danger \">RRB NTPC Free Mock Test<\/a><\/p>\n<!-- Error, Advert is not available at this time due to schedule\/geolocation restrictions! -->\n<p><b>Question 7:\u00a0<\/b>Which substance alters the rate of chemical reactions and remains isolated chemically during the reaction?<\/p>\n<p>a)\u00a0Precipitate<\/p>\n<p>b)\u00a0Reactant<\/p>\n<p>c)\u00a0Solvent<\/p>\n<p>d)\u00a0Catalyst<\/p>\n<p><b>Question 8:\u00a0<\/b>Which refers to the process of polymerisation of amino acids to form a polypeptide?<\/p>\n<p>a)\u00a0Regulation<\/p>\n<p>b)\u00a0Aminoacylation<\/p>\n<p>c)\u00a0Transcription<\/p>\n<p>d)\u00a0Translation<\/p>\n<p><b>Question 9:\u00a0<\/b>What is the IUPAC name of Acetic Acid?<\/p>\n<p>a)\u00a0Butanoic acid<\/p>\n<p>b)\u00a0Propanoic acid<\/p>\n<p>c)\u00a0Ethanoic acid<\/p>\n<p>d)\u00a0Methanoic acid<\/p>\n<p><b>Question 10:\u00a0<\/b>What is the atomic number of the element Indium?<\/p>\n<p>a)\u00a044<\/p>\n<p>b)\u00a054<\/p>\n<p>c)\u00a036<\/p>\n<p>d)\u00a049<\/p>\n<p><b>Question 11:\u00a0<\/b>Which is the substance that enhances the activity of a catalyst?<\/p>\n<p>a)\u00a0Increaser<\/p>\n<p>b)\u00a0Promoters<\/p>\n<p>c)\u00a0Poison<\/p>\n<p>d)\u00a0Adsorbents<\/p>\n<p><b>Question 12:\u00a0<\/b>In sand Moulding, the top flask is known as :<\/p>\n<p>a)\u00a0Cope<\/p>\n<p>b)\u00a0Drag<\/p>\n<p>c)\u00a0Check<\/p>\n<p>d)\u00a0Fillet<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/railways-ntpc-previous-papers\" target=\"_blank\" class=\"btn btn-primary \">RRB NTPC Previous Papers [Download PDF]<\/a><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/rrb-study-material\" target=\"_blank\" class=\"btn btn-danger \">RRB NTPC Study Material &#8211; 4500+ Questions<\/a><\/p>\n<p><b>Question 13:\u00a0<\/b>Separation of water or sand or cement from a freshly mixed concrete is known as :<\/p>\n<p>a)\u00a0Segregation<\/p>\n<p>b)\u00a0Creeping<\/p>\n<p>c)\u00a0Bleeding<\/p>\n<p>d)\u00a0Hooding<\/p>\n<p><b>Question 14:\u00a0<\/b>Galena is an ore of :<\/p>\n<p>a)\u00a0Lead<\/p>\n<p>b)\u00a0Copper<\/p>\n<p>c)\u00a0Aluminium<\/p>\n<p>d)\u00a0iron<\/p>\n<p><b>Question 15:\u00a0<\/b>BOD (Bio Chemical Oxygen Demand) of safe drinking water must be :<\/p>\n<p>a)\u00a00<\/p>\n<p>b)\u00a050 ppm<\/p>\n<p>c)\u00a0100 ppm<\/p>\n<p>d)\u00a0200 ppm<\/p>\n<p><b>Question 16:\u00a0<\/b>Gunpowder mainly contains<\/p>\n<p>a)\u00a0Calcium sulphate<\/p>\n<p>b)\u00a0Potassium nitrate<\/p>\n<p>c)\u00a0Lead sulfide<\/p>\n<p>d)\u00a0Zinc sulfide<\/p>\n<p><b>Question 17:\u00a0<\/b>The major ingredient of sweetened soft drink is<\/p>\n<p>a)\u00a0Carbonated water<\/p>\n<p>b)\u00a0Hydrochloric acid<\/p>\n<p>c)\u00a0Phosphoric acid<\/p>\n<p>d)\u00a0Caffeine<\/p>\n<p><b>Question 18:\u00a0<\/b>Acid Rain has pH value of<\/p>\n<p>a)\u00a05.5 or less<\/p>\n<p>b)\u00a012.5 or more<\/p>\n<p>c)\u00a010.5 or more<\/p>\n<p>d)\u00a08.5 or more<\/p>\n<p><b>Question 19:\u00a0<\/b>&#8230;&#8230;&#8230;&#8230; is the most electropositive and &#8230;&#8230;&#8230; is most electronegative element of the third period of modern periodic table.<\/p>\n<p>a)\u00a0Sodium. Potassium<\/p>\n<p>b)\u00a0Magnesium, Aluminium<\/p>\n<p>c)\u00a0Sodium, Chlorine<\/p>\n<p>d)\u00a0Aluminium, Chlorine<\/p>\n<p><b>Question 20:\u00a0<\/b>The most active ingredient in bleaching powder is<\/p>\n<p>a)\u00a0Iodine<\/p>\n<p>b)\u00a0Calcium hypochlorite<\/p>\n<p>c)\u00a0Nitric acid<\/p>\n<p>d)\u00a0Ammonium sulphate<\/p>\n<p><b>Question 21:\u00a0<\/b>The substances whose odour changes in acidic or basic medium are called &#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>a)\u00a0Natural indicators<\/p>\n<p>b)\u00a0Synthetic indicators<\/p>\n<p>c)\u00a0Acid-base indicators<\/p>\n<p>d)\u00a0Olfactory indicators<\/p>\n<p><b>Question 22:\u00a0<\/b>Aluminium metal is extracted only by:<\/p>\n<p>a)\u00a0Electrolysis<\/p>\n<p>b)\u00a0Calcination<\/p>\n<p>c)\u00a0Reduction<\/p>\n<p>d)\u00a0Oxidation<\/p>\n<p><b>Question 23:\u00a0<\/b>What is the natural source of Oxalic acid?<\/p>\n<p>a)\u00a0Tomato<\/p>\n<p>b)\u00a0Sour milk<\/p>\n<p>c)\u00a0Ant sting<\/p>\n<p>d)\u00a0Tamarind<\/p>\n<p><b>Question 24:\u00a0<\/b>Which is the only non-metal placed at the left side of the Modern Periodic Table?<\/p>\n<p>a)\u00a0Hydrogen<\/p>\n<p>b)\u00a0Carbon<\/p>\n<p>c)\u00a0Neon<\/p>\n<p>d)\u00a0Helium<\/p>\n<p><b>Question 25:\u00a0<\/b>Tooth decay starts when the pH of the mouth is &#8230;&#8230;&#8230;&#8230;.<\/p>\n<p>a)\u00a0more than 5.5<\/p>\n<p>b)\u00a0less than 5.5<\/p>\n<p>c)\u00a0less than 4.5<\/p>\n<p>d)\u00a0more than 4.5<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/rrb-online-test\" target=\"_blank\" class=\"btn btn-danger \"> Daily Free RRB Online Tests for RRB Exams<\/a><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/rrb-ntpc-mock-test\" target=\"_blank\" class=\"btn btn-primary \">RRB NTPC Free Mock Test<\/a><\/p>\n<p><b>Question 26:\u00a0<\/b>The bonds formed by the elements having larger atoms are:<\/p>\n<p>a)\u00a0weaker<\/p>\n<p>b)\u00a0stronger<\/p>\n<p>c)\u00a0very weak<\/p>\n<p>d)\u00a0very strong<\/p>\n<p><b>Question 27:\u00a0<\/b>In Modern Periodic Table, there is an anomaly when it comes to the position of&#8230;&#8230;.. because it can be placed either in group 1 or group 17 in the first period.<\/p>\n<p>a)\u00a0He<\/p>\n<p>b)\u00a0H<\/p>\n<p>c)\u00a0Li<\/p>\n<p>d)\u00a0Be<\/p>\n<p><b>Question 28:\u00a0<\/b>The chemical name of &#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.. is calcium sulphate hemihydrate.<\/p>\n<p>a)\u00a0Baking powder<\/p>\n<p>b)\u00a0Gypsum<\/p>\n<p>c)\u00a0Baking soda<\/p>\n<p>d)\u00a0Plaster of Paris<\/p>\n<p><b>Question 29:\u00a0<\/b>Non-metals are generally more electronegative due to their:<\/p>\n<p>a)\u00a0large number of electrons.<\/p>\n<p>b)\u00a0smaller atomic radii<\/p>\n<p>c)\u00a0smaller atomic number.<\/p>\n<p>d)\u00a0smaller ionization energy.<\/p>\n<p><b>Question 30:\u00a0<\/b>Oxides of non-metals are usually &#8230;&#8230;&#8230;&#8230;<\/p>\n<p>a)\u00a0acidic<\/p>\n<p>b)\u00a0neutral<\/p>\n<p>c)\u00a0less reactive<\/p>\n<p>d)\u00a0basic<\/p>\n<p><b>Question 31:\u00a0<\/b>What happens when dilute hydrochloric acid is added to iron filings?<\/p>\n<p>a)\u00a0Only chloride are produced<\/p>\n<p>b)\u00a0Hydrogen gas and iron chloride are produced<\/p>\n<p>c)\u00a0No reaction take place<\/p>\n<p>d)\u00a0Only hydrogen gas is produced<\/p>\n<p><b>Question 32:\u00a0<\/b>Which element in the periodic table forms maximum number of compounds?<\/p>\n<p>a)\u00a0H<\/p>\n<p>b)\u00a0O<\/p>\n<p>c)\u00a0S<\/p>\n<p>d)\u00a0C<\/p>\n<p><b>Question 33:\u00a0<\/b>&#8230;&#8230;&#8230;&#8230; is a purple-coloured solid halogen.<\/p>\n<p>a)\u00a0Bromine<\/p>\n<p>b)\u00a0Fluorine<\/p>\n<p>c)\u00a0Chlorine<\/p>\n<p>d)\u00a0Iodine<\/p>\n<p><b>Question 34:\u00a0<\/b>The general reaction between a metal oxide and an acid can be written as:<\/p>\n<p>a)\u00a0Metal oxide $+$ acid $\\rightarrow$ Salt $+$ Water<\/p>\n<p>b)\u00a0Metal oxide $+$ acid $\\rightarrow$ Salt $+$ precipitate<\/p>\n<p>c)\u00a0Metal oxide $+$ acid $\\rightarrow$ Water $+$ gas<\/p>\n<p>d)\u00a0Metal oxide $+$ acid $\\rightarrow$ Salt $+$ gas<\/p>\n<p><b>Question 35:\u00a0<\/b>&#8230;&#8230;&#8230; solution is used to treat bee sting.<\/p>\n<p>a)\u00a0Lemon juice<\/p>\n<p>b)\u00a0Milk<\/p>\n<p>c)\u00a0Vinegar<\/p>\n<p>d)\u00a0Baking soda<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/railways-ntpc-previous-papers\" target=\"_blank\" class=\"btn btn-primary \">RRB NTPC Previous Papers [Download PDF]<\/a><\/p>\n<!-- Error, Advert is not available at this time due to schedule\/geolocation restrictions! -->\n<p><b>Question 36:\u00a0<\/b>Constantan is alloyed from &#8230;&#8230; metals.<\/p>\n<p>a)\u00a0Ni, Ti, Fe, Cr<\/p>\n<p>b)\u00a0Cu, Ni, Mn<\/p>\n<p>c)\u00a0Ni, Cr, Mn, Fe<\/p>\n<p>d)\u00a0Cu, Ni<\/p>\n<p><b>Question 37:\u00a0<\/b>The force that a neutron exerts on a proton inside an atom is:<\/p>\n<p>a)\u00a0Tidal force<\/p>\n<p>b)\u00a0Gravitational force<\/p>\n<p>c)\u00a0Electrostatic force<\/p>\n<p>d)\u00a0Nuclear force<\/p>\n<p><b>Question 38:\u00a0<\/b>&#8230;&#8230;&#8230;. on mixing with water changes to gypsum.<\/p>\n<p>a)\u00a0Calcium Phosphate<\/p>\n<p>b)\u00a0Sodium Hydrogen Carbonate<\/p>\n<p>c)\u00a0Calcium Phosphate Hemihydrate<\/p>\n<p>d)\u00a0Calcium Sulphate Hemihydrate<\/p>\n<p><b>Question 39:\u00a0<\/b>&#8230;&#8230;&#8230;.. elements are present in the sixth period of the modern periodic table.<\/p>\n<p>a)\u00a032<\/p>\n<p>b)\u00a018<\/p>\n<p>c)\u00a033<\/p>\n<p>d)\u00a08<\/p>\n<p><b>Question 40:\u00a0<\/b>According to &#8230;&#8230;&#8230;., the properties of elements are a periodic function of their atomic masses.<\/p>\n<p>a)\u00a0Newlands Law of Octaves<\/p>\n<p>b)\u00a0Mendeleev&#8217;s Periodic Law<\/p>\n<p>c)\u00a0Dobereiner&#8217;s Law of Triads<\/p>\n<p>d)\u00a0Newton&#8217;s Law<\/p>\n<p><b>Question 41:\u00a0<\/b>When washing soda reacts with hydrochloric acid &#8230;&#8230;.. gas is evolved.<\/p>\n<p>a)\u00a0Oxygen<\/p>\n<p>b)\u00a0Carbon monoxide<\/p>\n<p>c)\u00a0Carbon dioxide<\/p>\n<p>d)\u00a0Hydrogen<\/p>\n<p><b>Question 42:\u00a0<\/b>When phenolphthalein is added to vinegar, the solution becomes &#8230;&#8230;&#8230;..<\/p>\n<p>a)\u00a0blue<\/p>\n<p>b)\u00a0red<\/p>\n<p>c)\u00a0pink<\/p>\n<p>d)\u00a0colourless<\/p>\n<p><b>Question 43:\u00a0<\/b>The element of the Lanthanide series having the atomic number 58 is &#8230;&#8230;&#8230;..<\/p>\n<p>a)\u00a0Cerium<\/p>\n<p>b)\u00a0Lanthanum<\/p>\n<p>c)\u00a0Thorium<\/p>\n<p>d)\u00a0Strontium<\/p>\n<p><b>Question 44:\u00a0<\/b>In the process of Galvanisation, which metal is coated over iron?<\/p>\n<p>a)\u00a0Lead<\/p>\n<p>b)\u00a0Nickel<\/p>\n<p>c)\u00a0Chromium<\/p>\n<p>d)\u00a0Zinc<\/p>\n<p><b>Question 45:\u00a0<\/b>When copper oxide is heated with hydrogen. copper metal and water are formed. What happens to the hydrogen in this reaction?<\/p>\n<p>a)\u00a0both oxidation and reduction<\/p>\n<p>b)\u00a0Reduction<\/p>\n<p>c)\u00a0Oxidation<\/p>\n<p>d)\u00a0Decomposition<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/railways-ntpc-previous-papers\" target=\"_blank\" class=\"btn btn-primary \">RRB NTPC Previous Papers [Download PDF]<\/a><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/blog\/rrb-ntpc-study-material-important-questions-pdf\/\" target=\"_blank\" class=\"btn btn-danger \">RRB NTPC Study Material (Download PDF)<\/a><\/p>\n<p><b>Question 46:\u00a0<\/b>&#8230;&#8230;. is displaced when zinc is added to the solution of copper sulphate.<\/p>\n<p>a)\u00a0Copper<\/p>\n<p>b)\u00a0Hydrogen<\/p>\n<p>c)\u00a0Zinc<\/p>\n<p>d)\u00a0Sulphate<\/p>\n<p><b>Question 47:\u00a0<\/b>&#8230;&#8230;&#8230;.. has the greatest electron affnity.<\/p>\n<p>a)\u00a0Br<\/p>\n<p>b)\u00a0Cl<\/p>\n<p>c)\u00a0I<\/p>\n<p>d)\u00a0F<\/p>\n<p><b>Question 48:\u00a0<\/b>In ethane, each carbon atom is bonded to:<\/p>\n<p>a)\u00a0One atom<\/p>\n<p>b)\u00a0Three atoms<\/p>\n<p>c)\u00a0Five atoms<\/p>\n<p>d)\u00a0Four atoms<\/p>\n<p><b>Question 49:\u00a0<\/b>&#8216;Alum&#8217; is an example of<\/p>\n<p>a)\u00a0Flake salt<\/p>\n<p>b)\u00a0Table salt<\/p>\n<p>c)\u00a0Single salt<\/p>\n<p>d)\u00a0Double salt<\/p>\n<p><b>Question 50:\u00a0<\/b>Heating of ores in the absence of oxygen is called:<\/p>\n<p>a)\u00a0Extraction<\/p>\n<p>b)\u00a0Calcination<\/p>\n<p>c)\u00a0Roasting<\/p>\n<p>d)\u00a0Corrosion<\/p>\n<p><b>Question 51:\u00a0<\/b>Electronegativity &#8230;.. from left to right in a row in the periodic table and electro positivity &#8230;&#8230; from left to right in a row in the periodic table<\/p>\n<p>a)\u00a0decreases, increases<\/p>\n<p>b)\u00a0decreases, decreases<\/p>\n<p>c)\u00a0increases, increases<\/p>\n<p>d)\u00a0increases, decreases<\/p>\n<p><b>Question 52:\u00a0<\/b>What was the position of noble gases in the Mendeleev&#8217;s periodic table?<\/p>\n<p>a)\u00a0Noble gases, being very inert, were not necessarily put in the periodic table<\/p>\n<p>b)\u00a0Noble gases were there in the seventh group<\/p>\n<p>c)\u00a0Mendeleev divided all elements into 8 groups, so there was no place for noble gases<\/p>\n<p>d)\u00a0Noble gases were not discovered by that time<\/p>\n<p><b>Question 53:\u00a0<\/b>The number of neutrons in an atom is equal to the:<\/p>\n<p>a)\u00a0Mass number<\/p>\n<p>b)\u00a0Atomic number<\/p>\n<p>c)\u00a0Mass number \u2014 atomic number<\/p>\n<p>d)\u00a0Number of electrons<\/p>\n<p><b>Question 54:\u00a0<\/b>Name the metal that can be easily cut with a knife:<\/p>\n<p>a)\u00a0Copper<\/p>\n<p>b)\u00a0Gold<\/p>\n<p>c)\u00a0Sodium<\/p>\n<p>d)\u00a0Aluminium<\/p>\n<p><b>Question 55:\u00a0<\/b>Chlorine gas is used in the manufacture of:<\/p>\n<p>a)\u00a0Baking powder<\/p>\n<p>b)\u00a0Bleaching powder<\/p>\n<p>c)\u00a0Baking soda<\/p>\n<p>d)\u00a0Washing soda<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/rrb-ntpc-mock-test\" target=\"_blank\" class=\"btn btn-danger \">RRB NTPC Free Mock Test<\/a><\/p>\n<!-- Error, Advert is not available at this time due to schedule\/geolocation restrictions! -->\n<p><b>Question 56:\u00a0<\/b>The maximum number of electrons that can be accommodated in M shell is:<\/p>\n<p>a)\u00a08<\/p>\n<p>b)\u00a02<\/p>\n<p>c)\u00a018<\/p>\n<p>d)\u00a032<\/p>\n<p><b>Question 57:\u00a0<\/b>What happens as we go down the group in the periodic table?<\/p>\n<p>a)\u00a0The number of shells decreases<\/p>\n<p>b)\u00a0Valence electrons decreases<\/p>\n<p>c)\u00a0The number of shells increases<\/p>\n<p>d)\u00a0Atomic size decreases<\/p>\n<p><b>Question 58:\u00a0<\/b>The molecular formula of Propane is:<\/p>\n<p>a)\u00a0$C_2H_6$<\/p>\n<p>b)\u00a0$C_4H_{10}$<\/p>\n<p>c)\u00a0$C_3H_8$<\/p>\n<p>d)\u00a0$CH_4$<\/p>\n<p><b>Question 59:\u00a0<\/b>The vast amount of sea weeds present in oceans may produce an endless source of:<\/p>\n<p>a)\u00a0Methane<\/p>\n<p>b)\u00a0Ocean thermal energy<\/p>\n<p>c)\u00a0Sea wave energy<\/p>\n<p>d)\u00a0Nuclear energy<\/p>\n<p><b>Question 60:\u00a0<\/b>If Metal A displaces Metal B from its solution, then Metal A &#8230;&#8230;&#8230;..<\/p>\n<p>a)\u00a0is more reactive than B<\/p>\n<p>b)\u00a0is less reactive than B<\/p>\n<p>c)\u00a0is heavier than B<\/p>\n<p>d)\u00a0has the same reactivity as B<\/p>\n<p><b>Question 61:\u00a0<\/b>Which compound is formed when a Magnesium ribbon is burnt in air?<\/p>\n<p>a)\u00a0Magnesium Nitrate<\/p>\n<p>b)\u00a0Magnesium Carbonate<\/p>\n<p>c)\u00a0Magnesium Oxide<\/p>\n<p>d)\u00a0Magnesium Nitride<\/p>\n<p><b>Question 62:\u00a0<\/b>Ammonium nitrate, on thermal decomposition, produces:<\/p>\n<p>a)\u00a0$NH_3\u00a0 and\u00a0 NO_2$<\/p>\n<p>b)\u00a0$NH_3\u00a0 and\u00a0 NO$<\/p>\n<p>c)\u00a0$N_2\u00a0 and\u00a0 H_2O$<\/p>\n<p>d)\u00a0$N_2O\u00a0 and\u00a0 H_2O$<\/p>\n<p><b>Question 63:\u00a0<\/b>The gas evolved when sodium carbonate reacts with hydrochloric acid is &#8230;&#8230;&#8230;..<\/p>\n<p>a)\u00a0Hydrogen<\/p>\n<p>b)\u00a0Chlorine<\/p>\n<p>c)\u00a0Hydrogen Chloride<\/p>\n<p>d)\u00a0Carbon dioxide<\/p>\n<p><b>Question 64:\u00a0<\/b>The number of free electrons in the outermost shell of carbon atoms in diamond is:<\/p>\n<p>a)\u00a0zero<\/p>\n<p>b)\u00a0two<\/p>\n<p>c)\u00a0four<\/p>\n<p>d)\u00a0three<\/p>\n<p><b>Question 65:\u00a0<\/b>What is the action of dry HCI gas on dry litmus paper?<\/p>\n<p>a)\u00a0Blue litmus paper turns white.<\/p>\n<p>b)\u00a0Blue or red litmus paper does not change its colour.<\/p>\n<p>c)\u00a0Blue litmus paper turns red.<\/p>\n<p>d)\u00a0Redlitmus paper turns blue.<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/blog\/general-science-questions-answers-competitive-exams-pdf-mcq-quiz\/\" target=\"_blank\" class=\"btn btn-info \">Download General Science Notes PDF<\/a><\/p>\n<!-- Error, Advert is not available at this time due to schedule\/geolocation restrictions! -->\n<p><b>Question 66:\u00a0<\/b>Who stated the following law: \u2018The properties of the elements are the periodic function of their atomic masses\u2019?<\/p>\n<p>a)\u00a0Dobereiner<\/p>\n<p>b)\u00a0Moseley<\/p>\n<p>c)\u00a0Newlands<\/p>\n<p>d)\u00a0Mendeleev<\/p>\n<p><b>Question 67:\u00a0<\/b>If the first and third members of a Dobereiner triad are Phosphorus and Antimony, the<br \/>\nsecond member of this triad is:<\/p>\n<p>a)\u00a0Calcium<\/p>\n<p>b)\u00a0Iodine<\/p>\n<p>c)\u00a0Arsenic<\/p>\n<p>d)\u00a0Sulphur<\/p>\n<p><b>Question 68:\u00a0<\/b>Which is the first metallic element in the Modern Periodic Table?<\/p>\n<p>a)\u00a0Li<\/p>\n<p>b)\u00a0Na<\/p>\n<p>c)\u00a0He<\/p>\n<p>d)\u00a0$H_2$<\/p>\n<p><b>Question 69:\u00a0<\/b>A\/an &#8230;&#8230;&#8230; flame is produced when the oxygen supply is sufficient.<\/p>\n<p>a)\u00a0red<\/p>\n<p>b)\u00a0orange<\/p>\n<p>c)\u00a0blue<\/p>\n<p>d)\u00a0green<\/p>\n<p><b>Question 70:\u00a0<\/b>Solid carbon dioxide is known as:<\/p>\n<p>a)\u00a0gas ice<\/p>\n<p>b)\u00a0dry ice<\/p>\n<p>c)\u00a0wet ice<\/p>\n<p>d)\u00a0solid ice<\/p>\n<p><b>Question 71:\u00a0<\/b>How are elements arranged in the Modern Periodic Table?<\/p>\n<p>a)\u00a0In the increasing order of their Molecular Mass<\/p>\n<p>b)\u00a0In the increasing order of their Atomic Mass<\/p>\n<p>c)\u00a0In the increasing order of their Atomic Number<\/p>\n<p>d)\u00a0In the increasing order of their Mass Number<\/p>\n<p><b>Question 72:\u00a0<\/b>The pH value increase from 7 to 14 represents a:<\/p>\n<p>a)\u00a0decrease in H$^+$ ion concentration<\/p>\n<p>b)\u00a0decrease in OH$^-$ ion concentration<\/p>\n<p>c)\u00a0increase in OH$^-$ ion concentration<\/p>\n<p>d)\u00a0increase in H$^+$ ion concentration<\/p>\n<p><b>Question 73:\u00a0<\/b>Metal oxides which react with acids as well as bases are called:<\/p>\n<p>a)\u00a0Amphoteric oxides<\/p>\n<p>b)\u00a0Neutral oxides<\/p>\n<p>c)\u00a0Basic oxides<\/p>\n<p>d)\u00a0Acidic oxides<\/p>\n<p><b>Question 74:\u00a0<\/b>What is the atomicity of Phosphorus?<\/p>\n<p>a)\u00a0Di-atomic<\/p>\n<p>b)\u00a0Poly-atomic<\/p>\n<p>c)\u00a0Tetra-atomic<\/p>\n<p>d)\u00a0Mono-atomic<\/p>\n<p><b>Question 75:\u00a0<\/b>Metals can be given different shapes according to our needs because they possess the<br \/>\nproperties of:<\/p>\n<p>a)\u00a0Conductivity and sonorosity<\/p>\n<p>b)\u00a0Malleability and ductility<\/p>\n<p>c)\u00a0Malleability and sonorosity<\/p>\n<p>d)\u00a0Ductility and conductivity<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/rrb-online-test\" target=\"_blank\" class=\"btn btn-danger \"> Daily Free RRB Online Tests for RRB Exams<\/a><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/rrb-ntpc-mock-test\" target=\"_blank\" class=\"btn btn-primary \">RRB NTPC Free Mock Test<\/a><\/p>\n<p><b>Question 76:\u00a0<\/b>Oparin\u2019s theory about \u2018Origin of life\u2019 is related to:<\/p>\n<p>a)\u00a0biological evolution<\/p>\n<p>b)\u00a0chemical evolution<\/p>\n<p>c)\u00a0artificial evolution<\/p>\n<p>d)\u00a0physical evolution<\/p>\n<p><b>Question 77:\u00a0<\/b>In the Modern Periodic Table, a zig-zag line separates:<\/p>\n<p>a)\u00a0metals from halogens<\/p>\n<p>b)\u00a0non-metals from metalloids<\/p>\n<p>c)\u00a0metals from non-metals<\/p>\n<p>d)\u00a0metals from metalloids<\/p>\n<p><b>Question 78:\u00a0<\/b>What product is formed when electricity is passed through an aqueous solution of sodium chloride?<\/p>\n<p>a)\u00a0Sodium and chlorine<\/p>\n<p>b)\u00a0Sodium oxide<\/p>\n<p>c)\u00a0Sodium hydroxide<\/p>\n<p>d)\u00a0Sodium and water<\/p>\n<p><b>Question 79:\u00a0<\/b>The hardest natural substance is:<\/p>\n<p>a)\u00a0Graphite<\/p>\n<p>b)\u00a0Diamond<\/p>\n<p>c)\u00a0Iron<\/p>\n<p>d)\u00a0Copper<\/p>\n<p><b>Question 80:\u00a0<\/b>The number of electrons that can be accommodated in the M shell is:<\/p>\n<p>a)\u00a018<\/p>\n<p>b)\u00a08<\/p>\n<p>c)\u00a02<\/p>\n<p>d)\u00a032<\/p>\n<p><b>Question 81:\u00a0<\/b>The number of valence electrons in an atom of Phosphorus is:<\/p>\n<p>a)\u00a04<\/p>\n<p>b)\u00a03<\/p>\n<p>c)\u00a02<\/p>\n<p>d)\u00a05<\/p>\n<p><b>Question 82:\u00a0<\/b>The maximum number of electrons that can be accommodated in a shell depends on the formula:<\/p>\n<p>a)\u00a0$1n^2$<\/p>\n<p>b)\u00a0$n^2$<\/p>\n<p>c)\u00a0$3n^2$<\/p>\n<p>d)\u00a0$2n^2$<\/p>\n<p><b>Question 83:\u00a0<\/b>Fill in the blank with the most appropriate option.<br \/>\nEthanol is denatured to &#8230;&#8230;&#8230;.<\/p>\n<p>a)\u00a0make it unsuitable for drinking<\/p>\n<p>b)\u00a0make it suitable for drinking<\/p>\n<p>c)\u00a0increase its stability<\/p>\n<p>d)\u00a0make it suitable as an antiseptic<\/p>\n<p><b>Question 84:\u00a0<\/b>For dilution of a concentrated acid, we should add:<\/p>\n<p>a)\u00a0water into the diluted acid<\/p>\n<p>b)\u00a0water into the concentrated acid<\/p>\n<p>c)\u00a0first water into the acid and then more acid into the water<\/p>\n<p>d)\u00a0concentrated acid into water<\/p>\n<p><b>Question 85:\u00a0<\/b>Which type of reaction occurs when carbon burns in oxygen to give carbon dioxide?<\/p>\n<p>a)\u00a0Addition reaction<\/p>\n<p>b)\u00a0Substitution reaction<\/p>\n<p>c)\u00a0Combustion reaction<\/p>\n<p>d)\u00a0Decomposition reaction<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/railways-ntpc-previous-papers\" target=\"_blank\" class=\"btn btn-primary \">RRB NTPC Previous Papers [Download PDF]<\/a><\/p>\n<!-- Error, Advert is not available at this time due to schedule\/geolocation restrictions! -->\n<p><b>Question 86:\u00a0<\/b>Who first discovered that every eighth element had properties similar to that of the first?<\/p>\n<p>a)\u00a0Newlands<\/p>\n<p>b)\u00a0Moseley<\/p>\n<p>c)\u00a0Dobereiner<\/p>\n<p>d)\u00a0Mendeleev<\/p>\n<p><b>Question 87:\u00a0<\/b>What is the radius of an atom used to measure?<\/p>\n<p>a)\u00a0Atomic number<\/p>\n<p>b)\u00a0Atomic mass<\/p>\n<p>c)\u00a0Atomic size<\/p>\n<p>d)\u00a0Atomicity<\/p>\n<p><b>Question 88:\u00a0<\/b>During combustion of unsaturated compounds a &#8230;&#8230;. is seen.<\/p>\n<p>a)\u00a0clean flame<\/p>\n<p>b)\u00a0blue flame<\/p>\n<p>c)\u00a0red flame<\/p>\n<p>d)\u00a0yellow flame<\/p>\n<p><b>Question 89:\u00a0<\/b>What are elements F, Cl, Br, I and At commonly known as?<\/p>\n<p>a)\u00a0Transition elements<\/p>\n<p>b)\u00a0Halogens<\/p>\n<p>c)\u00a0Rare earth elements<\/p>\n<p>d)\u00a0Actinoids<\/p>\n<p><b>Question 90:\u00a0<\/b>Common metals arranged in order of their decreasing reactivity is known as:<\/p>\n<p>a)\u00a0Reactivity<\/p>\n<p>b)\u00a0Conductivity<\/p>\n<p>c)\u00a0Electrolytic reduction<\/p>\n<p>d)\u00a0Activity series<\/p>\n<p><b>Question 91:\u00a0<\/b>Alkali metals are assigned which group in the Modern Periodic Table?<\/p>\n<p>a)\u00a0Second group<\/p>\n<p>b)\u00a0Eighteenth group<\/p>\n<p>c)\u00a0Third group<\/p>\n<p>d)\u00a0First group<\/p>\n<p><b>Question 92:\u00a0<\/b>In Newlands\u2019 table, the elements &#8230;&#8230;&#8230;.. were placed with the halogens.<\/p>\n<p>a)\u00a0Ce and La<\/p>\n<p>b)\u00a0Fe and Se<\/p>\n<p>c)\u00a0Mn and As<\/p>\n<p>d)\u00a0Co and Ni<\/p>\n<p><b>Question 93:\u00a0<\/b>Acids that contain Hydrogen and other non-metallic element(s), except Oxygen, are called:<\/p>\n<p>a)\u00a0Hydracids<\/p>\n<p>b)\u00a0Dilute acids<\/p>\n<p>c)\u00a0Strong acids<\/p>\n<p>d)\u00a0Weak acids<\/p>\n<p><b>Question 94:\u00a0<\/b>&#8230;&#8230;.. is the most ductile metal.<\/p>\n<p>a)\u00a0Ph<\/p>\n<p>b)\u00a0C<\/p>\n<p>c)\u00a0Au<\/p>\n<p>d)\u00a0Ag<\/p>\n<p><b>Question 95:\u00a0<\/b>An unbalanced chemical equation is called a:<\/p>\n<p>a)\u00a0rough chemical equation<\/p>\n<p>b)\u00a0natural chemical equation<\/p>\n<p>c)\u00a0complex chemical equation<\/p>\n<p>d)\u00a0skeletal chemical equation<\/p>\n<p><b>Question 96:\u00a0<\/b>The element with the highest electron affinity among halogens is:<\/p>\n<p>a)\u00a0F<\/p>\n<p>b)\u00a0I<\/p>\n<p>c)\u00a0CI<\/p>\n<p>d)\u00a0Br<\/p>\n<p><b>Question 97:\u00a0<\/b>Saturated Hydrocarbons are called:<\/p>\n<p>a)\u00a0alkynes<\/p>\n<p>b)\u00a0isomers<\/p>\n<p>c)\u00a0alkanes<\/p>\n<p>d)\u00a0alkenes<\/p>\n<p><b>Question 98:\u00a0<\/b>The primitive atmosphere was reducing because:<\/p>\n<p>a)\u00a0Hydrogen atoms were few<\/p>\n<p>b)\u00a0Hydrogen atoms wereactive and in greater numbers<\/p>\n<p>c)\u00a0Oxygen atoms were more<\/p>\n<p>d)\u00a0Nitrogen atoms were more<\/p>\n<p><b>Question 99:\u00a0<\/b>The formula $C_6H_{14}$ represents the hydrocarbon &#8230;&#8230;.<\/p>\n<p>a)\u00a0Hexene<\/p>\n<p>b)\u00a0Heptyne<\/p>\n<p>c)\u00a0Hexane<\/p>\n<p>d)\u00a0Hexyne<\/p>\n<p><b>Question 100:\u00a0<\/b>According to Newlands\u2019 Law of Octaves, how many elements exist in nature?<\/p>\n<p>a)\u00a056<\/p>\n<p>b)\u00a066<\/p>\n<p>c)\u00a055<\/p>\n<p>d)\u00a065<\/p>\n<!-- Error, Advert is not available at this time due to schedule\/geolocation restrictions! -->\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/rrb-study-material\" target=\"_blank\" class=\"btn btn-info \">RRB NTPC Free Study Material &#8211; 4500 Questions<\/a><\/p>\n<p><span style=\"text-decoration: underline;\"><strong>Answers &amp; Solutions:<\/strong><\/span><\/p>\n<p><strong>1)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>2)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>3)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>4)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>5)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>6)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>7)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>8)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>9)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>10)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>11)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>12)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>13)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>14)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>15)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>16)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>17)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>18)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>19)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>20)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>21)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>22)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>23)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>24)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>25)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>26)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>27)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>28)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>29)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>30)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>31)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>32)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>33)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>34)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>35)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>36)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>37)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>38)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>39)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>40)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>41)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>42)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>43)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>44)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>45)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>46)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>47)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>48)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>49)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>50)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>51)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>52)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>53)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>54)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>55)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>56)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>57)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>58)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>59)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>60)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>61)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>62)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>63)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>64)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>65)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>66)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>67)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>68)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>69)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>70)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>71)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>72)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>73)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>74)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>75)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>76)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>77)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>78)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>79)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>80)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>81)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>82)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>83)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>84)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>85)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>86)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>87)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>88)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>89)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>90)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>91)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>92)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>93)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p><strong>94)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>95)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p><strong>96)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>97)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>98)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p><strong>99)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p><strong>100)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/play.google.com\/store\/apps\/details?id=in.cracku.app&amp;hl=en_US\" target=\"_blank\" class=\"btn btn-danger \">DOWNLOAD APP FOR RRB FREE MOCKS<\/a><\/p>\n<p>We hope this very important RRB NTPC Chemistry\u00a0 Questions will be very helpful to you.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Top-100 Expected RRB NTPC Chemistry Questions Set-1 PDF Download Top-100 Expected Chemistry questions and answers for RRB NTPC Stage-1 exam. Go through the video of Repeatedly asked and most important RRB NTPC Chemistry questions. These questions are based on previous year questions in Railways and other Govt exams. Practice: Take a free mock test for [&hellip;]<\/p>\n","protected":false},"author":30,"featured_media":32456,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[31,1701,1679,1897,1605,1603,1601,1673],"tags":[1593,2218],"class_list":{"0":"post-32446","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-railways","8":"category-rpf-si-and-constable","9":"category-rrb-group-d","10":"category-rrb-group-d-2","11":"category-rrb-je","12":"category-rrb-ntpc","13":"category-rrb-ntpc-je","14":"category-rrb-para-medical-categories","15":"tag-rrb-ntpc","16":"tag-rrb-ntpc-chemistry-questions"},"better_featured_image":{"id":32456,"alt_text":"Top-100 RRB NTPC Chemistry","caption":"Top-100 RRB NTPC  Chemistry","description":"Top-100 RRB NTPC  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Go through the video of Repeatedly asked and most important RRB NTPC Chemistry questions. These questions are based on previous year questions in Railways and other Govt exams. 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