{"id":37129,"date":"2019-11-06T19:04:25","date_gmt":"2019-11-06T13:34:25","guid":{"rendered":"https:\/\/cracku.in\/blog\/?p=37129"},"modified":"2019-11-06T19:04:25","modified_gmt":"2019-11-06T13:34:25","slug":"rrb-ntpc-questions-on-acids-bases-and-salts-pdf","status":"publish","type":"post","link":"https:\/\/cracku.in\/blog\/rrb-ntpc-questions-on-acids-bases-and-salts-pdf\/","title":{"rendered":"RRB NTPC Questions on Acids Bases and Salts PDF"},"content":{"rendered":"

RRB NTPC Questions on Acids Bases and Salts PDF<\/strong><\/span><\/h1>\n

Download RRB NTPC Acids Bases and Salts Questions PDF. Top 10 RRB NTPC questions based on asked questions in previous exam papers very important for the Railway NTPC exam.<\/p>\n

Download RRB NTPC Questions on Acids Bases and Salts PDF<\/a><\/p>\n

Take a free mock test for RRB NTPC<\/a><\/p>\n

Download RRB NTPC Previous Papers PDF<\/a><\/p>\n

Question 1:\u00a0<\/b>Ethanoic acid is commonly called?<\/p>\n

a)\u00a0Sulphuric acid<\/p>\n

b)\u00a0Acetic acid<\/p>\n

c)\u00a0Sulphonic acid<\/p>\n

d)\u00a0Hydrochloric acid<\/p>\n

Question 2:\u00a0<\/b>Which of the following statements is INCORRECT?
\nI) Bleaching powder is a pale yellow powder
\nII) Dry $NH_4$ gas turns red litmus blue
\nIII) The pH of rain water is nearly 5.6
\nIV) The pH of acid rain is nearly 4<\/p>\n

a)\u00a0I), II) and IV)<\/p>\n

b)\u00a0I), II) and III)<\/p>\n

c)\u00a0All of the above statements are correct<\/p>\n

d)\u00a0Only II)<\/p>\n

Question 3:\u00a0<\/b>Which of the following statements is wrong with regard to strong acids?<\/p>\n

a)\u00a0Strong acids react very rapidly with other substances (such as metal carbonates and metal hydrogen carbonates).<\/p>\n

b)\u00a0Hydrochloric Acid, Sulphuric acid and Nitric Acid are strong acids.<\/p>\n

c)\u00a0Acids are those chemical substancesthat havea salty taste.<\/p>\n

d)\u00a0All minerals acids are strong acids.<\/p>\n

Question 4:\u00a0<\/b>Acids that contain Hydrogen and other non-metallic element(s), except Oxygen, are called:<\/p>\n

a)\u00a0Hydracids<\/p>\n

b)\u00a0Dilute acids<\/p>\n

c)\u00a0Strong acids<\/p>\n

d)\u00a0Weak acids<\/p>\n

Question 5:\u00a0<\/b>………. is the process in which acids and bases react to form salts and water.<\/p>\n

a)\u00a0Distillation<\/p>\n

b)\u00a0Electrolysis<\/p>\n

c)\u00a0Neutralisation<\/p>\n

d)\u00a0Hydrolysis<\/p>\n

RRB NTPC Previous Papers [Download PDF]<\/a><\/p>\n\n

Question 6:\u00a0<\/b>Which of the following solutions is the most acidic among them all?<\/p>\n

a)\u00a0Solution with pH value 0<\/p>\n

b)\u00a0Solution with pH value 6<\/p>\n

c)\u00a0Solution with pH value 1<\/p>\n

d)\u00a0Solution with pH value 7<\/p>\n

Question 7:\u00a0<\/b>Oxides of metals are basic in nature, that is, they combine with acids to form salt and water. Select the odd metal oxide from the following ones.<\/p>\n

a)\u00a0$\u00a0Al_{2}O_{3} $<\/p>\n

b)\u00a0$ Na_{2} O $<\/p>\n

c)\u00a0MgO<\/p>\n

d)\u00a0CaO<\/p>\n

Question 8:\u00a0<\/b>Which of the following salts is acidic in nature?<\/p>\n

a)\u00a0Sodium Carbonate<\/p>\n

b)\u00a0Ammonium Phosphate<\/p>\n

c)\u00a0Magnesium Sulphate<\/p>\n

d)\u00a0Sodium Acetate<\/p>\n

Question 9:\u00a0<\/b>Metal oxides which react with acids as well as bases are called:<\/p>\n

a)\u00a0Amphoteric oxides<\/p>\n

b)\u00a0Neutral oxides<\/p>\n

c)\u00a0Basic oxides<\/p>\n

d)\u00a0Acidic oxides<\/p>\n

Question 10:\u00a0<\/b>Which of the following indicators CANNOT be used for distinguishing between acidic and neutral solutions?<\/p>\n

a)\u00a0Eosin<\/p>\n

b)\u00a0Universal indicator<\/p>\n

c)\u00a0Phenolphthalein<\/p>\n

d)\u00a0Methyl orange<\/p>\n

Question 11:\u00a0<\/b>The gas evolved when sodium carbonate reacts with hydrochloric acid is ………..<\/p>\n

a)\u00a0Hydrogen<\/p>\n

b)\u00a0Chlorine<\/p>\n

c)\u00a0Hydrogen Chloride<\/p>\n

d)\u00a0Carbon dioxide<\/p>\n

Question 12:\u00a0<\/b>The pH of a solution is 3. When its pH changes to 6, then $H^+$ ion concentration:<\/p>\n

a)\u00a0increases 2 times<\/p>\n

b)\u00a0increases three times<\/p>\n

c)\u00a0decreases 1000 times<\/p>\n

d)\u00a0decreases 100 times<\/p>\n

Question 13:\u00a0<\/b>What is diluted acetic acid commonly known as?<\/p>\n

a)\u00a0Oleum<\/p>\n

b)\u00a0Blue vitriol<\/p>\n

c)\u00a0Vinegar<\/p>\n

d)\u00a0Alum<\/p>\n

Question 14:\u00a0<\/b>What will happen to the boiling point and freezing point of water when some common salt is added in it?<\/p>\n

a)\u00a0Boiling point elevation, freezing point depression<\/p>\n

b)\u00a0No change<\/p>\n

c)\u00a0Only boiling point increases or decreases<\/p>\n

d)\u00a0Boiling point depression, freezing point elevation<\/p>\n

Question 15:\u00a0<\/b>‘Alum’ is an example of<\/p>\n

a)\u00a0Flake salt<\/p>\n

b)\u00a0Table salt<\/p>\n

c)\u00a0Single salt<\/p>\n

d)\u00a0Double salt<\/p>\n

Download General Science Notes PDF<\/a><\/p>\n

FREE RRB NTPC YOUTUBE VIDEOS<\/a><\/p>\n

Answers & Solutions:<\/strong><\/span><\/p>\n

1)\u00a0Answer\u00a0(B)<\/strong><\/p>\n

2)\u00a0Answer\u00a0(D)<\/strong><\/p>\n

Dry $NH_4$ does not have any effect on litmus.<\/p>\n

3)\u00a0Answer\u00a0(C)<\/strong><\/p>\n

4)\u00a0Answer\u00a0(A)<\/strong><\/p>\n

5)\u00a0Answer\u00a0(C)<\/strong><\/p>\n

6)\u00a0Answer\u00a0(A)<\/strong><\/p>\n

7)\u00a0Answer\u00a0(A)<\/strong><\/p>\n

8)\u00a0Answer\u00a0(A)<\/strong><\/p>\n

9)\u00a0Answer\u00a0(A)<\/strong><\/p>\n

10)\u00a0Answer\u00a0(C)<\/strong><\/p>\n

11)\u00a0Answer\u00a0(D)<\/strong><\/p>\n

12)\u00a0Answer\u00a0(C)<\/strong><\/p>\n

13)\u00a0Answer\u00a0(C)<\/strong><\/p>\n

14)\u00a0Answer\u00a0(A)<\/strong><\/p>\n

15)\u00a0Answer\u00a0(D)<\/strong><\/p>\n\n

DOWNLOAD APP FOR RRB FREE MOCKS<\/a><\/p>\n

We hope this Acids Bases and Salts Questions pdf for RRB NTPC exam will be highly useful for your Preparation.<\/p>\n","protected":false},"excerpt":{"rendered":"

RRB NTPC Questions on Acids Bases and Salts PDF Download RRB NTPC Acids Bases and Salts Questions PDF. Top 10 RRB NTPC questions based on asked questions in previous exam papers very important for the Railway NTPC exam. Download RRB NTPC Previous Papers PDF Question 1:\u00a0Ethanoic acid is commonly called? a)\u00a0Sulphuric acid b)\u00a0Acetic acid c)\u00a0Sulphonic […]<\/p>\n","protected":false},"author":49,"featured_media":37133,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[169,125,31,1603],"tags":[1593],"class_list":{"0":"post-37129","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-downloads","8":"category-featured","9":"category-railways","10":"category-rrb-ntpc","11":"tag-rrb-ntpc"},"better_featured_image":{"id":37133,"alt_text":"RRB NTPC Questions on Acids Bases and Salts PDF","caption":"RRB NTPC Questions on Acids Bases and Salts PDF","description":"RRB NTPC Questions on Acids Bases and Salts 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