Download SSC Chemistry questions with answers PDF based on previous papers very useful for SSC GD, CGL, CHSL, JE, Stenographer, MTS, CPO, JE exams. 50 Very important Chemistry objective questions (MCQ’s) for SSC exams.<\/p>\n
Download TOP 50 SSC CHEMISTRY QUESTIONS<\/a><\/p>\n <\/p>\n FREE SSC EXAM YOUTUBE VIDEOS<\/a><\/p>\n Question 1:\u00a0<\/b>What is the common characteristic of the elements of the same group in the periodic table?<\/p>\n a)\u00a0Electrons in outer most shell<\/p>\n b)\u00a0Total number of electrons<\/p>\n c)\u00a0Total number of protons<\/p>\n d)\u00a0Atomic weight<\/p>\n Question 2:\u00a0<\/b>What happens when one S and one P orbital is hybridized?<\/p>\n a)\u00a0We get three orbitals in a plane<\/p>\n b)\u00a0We get two orbitals at 180 degrees<\/p>\n c)\u00a0We get two mutually perpendicular orbitals<\/p>\n d)\u00a0We get four orbitals directed tetrahedrally<\/p>\n Question 3:\u00a0<\/b>Atomic bomb is based on which principle?<\/p>\n a)\u00a0Nuclear fusion<\/p>\n b)\u00a0Nuclear fission<\/p>\n c)\u00a0Natural radioactivity<\/p>\n d)\u00a0All options are correct<\/p>\n Question 4:\u00a0<\/b>Which is used to treat Indigestion?<\/p>\n a)\u00a0Antacid<\/p>\n b)\u00a0Antiseptic<\/p>\n c)\u00a0Analgesic<\/p>\n d)\u00a0Antibiotic<\/p>\n Question 5:\u00a0<\/b>What does a catalyst do in a reaction?<\/p>\n a)\u00a0A catalyst is nothing but the \ufb01nal product of a reaction<\/p>\n b)\u00a0Does not alter the rate of reaction<\/p>\n c)\u00a0Speeds up chemical reaction<\/p>\n d)\u00a0Slows down chemical reaction<\/p>\n SSC GD CONSTABLE PREVIOUS PAPERS<\/a><\/p>\n SSC CHSL PREVIOUS PAPERS DOWNLOAD<\/a><\/p>\n Question 6:\u00a0<\/b>Why metals conduct electricity?<\/p>\n a)\u00a0Because of low melting point<\/p>\n b)\u00a0Because of high tensile strength<\/p>\n c)\u00a0Because of free electrons<\/p>\n d)\u00a0Because of high atomic density<\/p>\n Question 7:\u00a0<\/b>On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because ________<\/p>\n a)\u00a0Mercury is a metal<\/p>\n b)\u00a0Density of mercury is greater than that of water<\/p>\n c)\u00a0Cohesion of mercury is greater than its adhesion with glass<\/p>\n d)\u00a0Cohesion of water is greater than its adhesion with glass<\/p>\n Question 8:\u00a0<\/b>The (O-H) bond in C<\/span>H<\/span>3<\/span><\/span><\/span><\/span><\/span>OH is which type of bond?<\/p>\n a)\u00a0polar covalent<\/p>\n b)\u00a0ionic<\/p>\n c)\u00a0non polar covalent<\/p>\n d)\u00a0cationic<\/p>\n Question 9:\u00a0<\/b>Adding which substance gives blue colour to glass?<\/p>\n a)\u00a0Manganese oxide<\/p>\n b)\u00a0Cobalt oxide<\/p>\n c)\u00a0Chromium oxide<\/p>\n d)\u00a0Iron oxide<\/p>\n Question 10:\u00a0<\/b>Terylene is a condensation polymer of ethylene glycol and which acid?<\/p>\n a)\u00a0Benzoic Acid<\/p>\n b)\u00a0Salicylic acid<\/p>\n c)\u00a0Phthalic acid<\/p>\n d)\u00a0Terephthalic acid<\/p>\n 18000+ Questions – Free SSC Study Material<\/a><\/p>\n Question 11:\u00a0<\/b>The conversion of hard water into soft water by boiling or adding calcium hydroxide is called _______.<\/p>\n a)\u00a0Baker’s process<\/p>\n b)\u00a0Temp’s process<\/p>\n c)\u00a0Clarke’s process<\/p>\n d)\u00a0Lake’s process<\/p>\n Question 12:\u00a0<\/b>When cathode rays strike a target of high atomic weight, they give rise to<\/p>\n a)\u00a0a -rays<\/p>\n b)\u00a013 and y rays<\/p>\n c)\u00a0X-rays<\/p>\n d)\u00a0positive rays<\/p>\n Question 13:\u00a0<\/b>Biofertilizers convert nitrogen to _________ .<\/p>\n a)\u00a0nitrates<\/p>\n b)\u00a0ammonia<\/p>\n c)\u00a0nitrogenase<\/p>\n d)\u00a0amino acids<\/p>\n Question 14:\u00a0<\/b>Which drug is used as an Anti-In\ufb02ammatory?<\/p>\n a)\u00a0Metformin<\/p>\n b)\u00a0Diazepam<\/p>\n c)\u00a0Latanoprost<\/p>\n d)\u00a0Prednisone<\/p>\n Question 15:\u00a0<\/b>In the periodic table of elements, on moving from left to right across a period, what happens to the atomic radius?<\/p>\n a)\u00a0decreases<\/p>\n b)\u00a0increases<\/p>\n c)\u00a0remains unchanged<\/p>\n d)\u00a0does not follow a definite pattern<\/p>\n SSC CGL Free Mock Test<\/a><\/p>\n SSC CHSL Free Mock Test<\/a><\/p>\n Question 16:\u00a0<\/b>The radio-active element used in heart pacemakers is?<\/p>\n a)\u00a0Plutonium -238<\/p>\n b)\u00a0Deuterium<\/p>\n c)\u00a0Plutonium<\/p>\n d)\u00a0Radium<\/p>\n Question 17:\u00a0<\/b>Acid rain is caused due to pollution of atmosphere by<\/p>\n a)\u00a0oxides of nitrogen and sulphur<\/p>\n b)\u00a0oxides of nitrogen and phosphorous<\/p>\n c)\u00a0oxides of carbon and nitrogen<\/p>\n d)\u00a0oxides of nitrogen and methane<\/p>\n Question 18:\u00a0<\/b>The common name of hydrogen peroxide is<\/p>\n a)\u00a0borax<\/p>\n b)\u00a0bleach (liquid)<\/p>\n c)\u00a0baking soda<\/p>\n d)\u00a0gypsum<\/p>\n Question 19:\u00a0<\/b>Which element gives hardness to stainless steel?<\/p>\n a)\u00a0Zinc<\/p>\n b)\u00a0Lead<\/p>\n c)\u00a0Carbon<\/p>\n d)\u00a0Tin<\/p>\n Question 20:\u00a0<\/b>……………are a group of chemicals that influence cell division and shoot formation.<\/p>\n a)\u00a0Cytokinins<\/p>\n b)\u00a0Gibberellins<\/p>\n c)\u00a0Domins<\/p>\n d)\u00a0Auxins<\/p>\n Question 21:\u00a0<\/b>What is the name of the acid in an ant’s sting?<\/p>\n a)\u00a0Acetic acid<\/p>\n b)\u00a0Citric acid<\/p>\n c)\u00a0Formic acid<\/p>\n d)\u00a0Lactic acid<\/p>\n Question 22:\u00a0<\/b>__________ is the movement of chemical in the upper layers of soil into lower layers or into groundwater by being dissolved in water.<\/p>\n a)\u00a0infiltration<\/p>\n b)\u00a0salinisation<\/p>\n c)\u00a0eutrophication<\/p>\n d)\u00a0leaching<\/p>\n Question 23:\u00a0<\/b>______ is used for making chemical apparatus like beakers, flasks etc.<\/p>\n a)\u00a0Potash glass<\/p>\n b)\u00a0Hard glass<\/p>\n c)\u00a0Soda glass<\/p>\n d)\u00a0Jena glass<\/p>\n Question 24:\u00a0<\/b>The process of depositing a layer of any desired metal on another material by means of electricity is called ___________.<\/p>\n a)\u00a0Electroplating<\/p>\n b)\u00a0Galvanisation<\/p>\n c)\u00a0Rusting<\/p>\n d)\u00a0Crystallisation<\/p>\n Question 25:\u00a0<\/b>The element which is commonly used in nuclear for producing electricity by nuclear fission is?<\/p>\n a)\u00a0Radium<\/p>\n b)\u00a0Plutonium<\/p>\n c)\u00a0Uranium<\/p>\n d)\u00a0Deuterium<\/p>\n 1500+ Free SSC Questions & Answers<\/a><\/p>\n Question 26:\u00a0<\/b>Which base is present in soap?<\/p>\n a)\u00a0Sodium hydroxide<\/p>\n b)\u00a0Silicon dioxide<\/p>\n c)\u00a0Calcium hydroxide<\/p>\n d)\u00a0Ammonium hydroxide<\/p>\n Question 27:\u00a0<\/b>Which gas is produced due to incomplete combustion of fuel?<\/p>\n a)\u00a0Carbon Dioxide<\/p>\n b)\u00a0Carbon Monoxide<\/p>\n c)\u00a0Methane<\/p>\n d)\u00a0Ethane<\/p>\n Question 28:\u00a0<\/b>Magnesium oxide (MgO) + Water (H2O) = ?<\/p>\n a)\u00a0[Mg(OH)]<\/p>\n b)\u00a0[Mg2(OH)]<\/p>\n c)\u00a0[Mg(O2H)2]<\/p>\n d)\u00a0[Mg(OH)2]<\/p>\n 100+ Free GK Tests for SSC Exams<\/a><\/p>\n Download Free GK PDF<\/a><\/p>\n Question 29:\u00a0<\/b>Anions are formed through which process?<\/p>\n a)\u00a0losing of electrons<\/p>\n b)\u00a0gaining of electrons<\/p>\n c)\u00a0gaining of neutrons<\/p>\n d)\u00a0losing of neutrons<\/p>\n Question 30:\u00a0<\/b>The anode in a dry cell consists of?<\/p>\n a)\u00a0Copper<\/p>\n b)\u00a0Zinc<\/p>\n c)\u00a0Cadmium<\/p>\n d)\u00a0Graphite<\/p>\n Question 31:\u00a0<\/b>If water smells bad, then that odour can be removed by adding<\/p>\n a)\u00a0alum<\/p>\n b)\u00a0bleach<\/p>\n c)\u00a0activated carbon<\/p>\n d)\u00a0deactivated nitrogen<\/p>\n Question 32:\u00a0<\/b>Which bond is weakest in nature?<\/p>\n a)\u00a0Single bond<\/p>\n b)\u00a0Double bond<\/p>\n c)\u00a0Triple bond<\/p>\n d)\u00a0Hydrogen bond<\/p>\n Question 33:\u00a0<\/b>What is the chemical name for baking soda ?<\/p>\n a)\u00a0Sodium carbonate<\/p>\n b)\u00a0Sodium bicarbonate<\/p>\n c)\u00a0Sodium Nitrate<\/p>\n d)\u00a0Sodium Nitrite<\/p>\n Question 34:\u00a0<\/b>NaCl has which kind of bonds?<\/p>\n a)\u00a0nonpolar bonds<\/p>\n b)\u00a0polar covalent bonds<\/p>\n c)\u00a0Metallic bonds<\/p>\n d)\u00a0ionic bonds<\/p>\n Question 35:\u00a0<\/b>Which chemical is used to generate light, to weld metals?<\/p>\n a)\u00a0Ethylene<\/p>\n b)\u00a0Acetylene<\/p>\n c)\u00a0Glycol<\/p>\n d)\u00a0Oxalic acid<\/p>\n Question 36:\u00a0<\/b>Ethane gas has a slightly …………taste.<\/p>\n a)\u00a0sweet<\/p>\n b)\u00a0bitter<\/p>\n c)\u00a0sour<\/p>\n d)\u00a0salty<\/p>\n Question 37:\u00a0<\/b>Turquoise is an ore\/mineral of<\/p>\n a)\u00a0Copper<\/p>\n b)\u00a0Manganese<\/p>\n c)\u00a0Mercury<\/p>\n d)\u00a0Tin<\/p>\n Question 38:\u00a0<\/b>Process of gaining electrons is known as _____.<\/p>\n a)\u00a0oxidation<\/p>\n b)\u00a0reduction<\/p>\n c)\u00a0radiation<\/p>\n d)\u00a0both oxidation and reduction<\/p>\n Question 39:\u00a0<\/b>What does Trypsin do?<\/p>\n a)\u00a0Breaks down Carbohydrates<\/p>\n b)\u00a0Synthesizes proteins<\/p>\n c)\u00a0Breaks down fats<\/p>\n d)\u00a0Breaks down proteins<\/p>\n Question 40:\u00a0<\/b>During which operating conditions of an automobile, carbon monoxide content in exhaust gas is maximum?<\/p>\n a)\u00a0Acceleration<\/p>\n b)\u00a0Cruising<\/p>\n c)\u00a0Idle running<\/p>\n d)\u00a0Deacceleration<\/p>\n Question 41:\u00a0<\/b>What is the viscosity of an ideal \ufb02uid?<\/p>\n a)\u00a0Equal to its mass<\/p>\n b)\u00a0Equal to its weight<\/p>\n c)\u00a0Zero<\/p>\n d)\u00a0One<\/p>\n Question 42:\u00a0<\/b>The most abundant metal in the Earth’s crust is<\/p>\n a)\u00a0zinc<\/p>\n b)\u00a0copper<\/p>\n c)\u00a0aluminium<\/p>\n d)\u00a0iron<\/p>\n Question 43:\u00a0<\/b>Name the source from which Aspirin is produced?<\/p>\n a)\u00a0Willow bark<\/p>\n b)\u00a0Oak Tree<\/p>\n c)\u00a0Acacia<\/p>\n d)\u00a0Eucalyptus<\/p>\n SSC<\/p>\n Question 44:\u00a0<\/b>What is Heavy water?<\/p>\n a)\u00a0Monoterium oxide<\/p>\n b)\u00a0Polyterium oxide<\/p>\n c)\u00a0Deuterium oxide<\/p>\n d)\u00a0Trisium oxide<\/p>\n Question 45:\u00a0<\/b>In a compound the elements are always present in definite proportions by<\/p>\n a)\u00a0mass<\/p>\n b)\u00a0volume<\/p>\n c)\u00a0size<\/p>\n d)\u00a0No option is correct.<\/p>\n Question 46:\u00a0<\/b>What is nature of pH of Milk?<\/p>\n a)\u00a0Slightly Acidic<\/p>\n b)\u00a0Slightly Basic<\/p>\n c)\u00a0Highly Acidic<\/p>\n d)\u00a0Highly Basic<\/p>\n Question 47:\u00a0<\/b>Which is the best fire-extinguisher?<\/p>\n a)\u00a0Water<\/p>\n b)\u00a0Oxygen<\/p>\n c)\u00a0Carbon-dioxide<\/p>\n d)\u00a0Soil<\/p>\n Question 48:\u00a0<\/b>Marble is a metamorphic rock of ………….<\/p>\n a)\u00a0Sandstone<\/p>\n b)\u00a0Limestone<\/p>\n c)\u00a0Granite<\/p>\n d)\u00a0Clay<\/p>\n Question 49:\u00a0<\/b>Which chemical is also known as Carbolic Acid?<\/p>\n a)\u00a0Phenol<\/p>\n b)\u00a0Hydroxide<\/p>\n c)\u00a0Sulphuric Acid<\/p>\n d)\u00a0Ethanol<\/p>\n Question 50:\u00a0<\/b>What is dehydration?<\/p>\n a)\u00a0Removal of acid from a molecule<\/p>\n b)\u00a0Removal of base from a molecule<\/p>\n c)\u00a0Removal of water from a molecule<\/p>\n d)\u00a0Removal of alkali from a molecule<\/p>\n Free SSC Daily Practice Set<\/a><\/p>\n