MCQ on Acids, Bases, and Salts

In exams like SSC, Banking, Railways, and others, we find many questions from the General Science Physics section. This section is considered very important. We will provide topic-wise practice questions so that students can be able to practice more and more and get most of the questions correct in this section. In this article, we will provide a Practice set from Acids, Bases, and Salts.

Que 1. Aqua regia is being prepared by which of the given acids?
(a) Nitric acid and Hydrochloric acid
(b) Citric acid and Nitric acid
(c) Sulphuric acid and Hydrochloric acid
(d) Sulphuric acid and Citric acid

Ans. (a) Nitric and Hydrochloric acid
Explanation: Aqua regia is being prepared by mixing nitric and hydrochloric acid.

Que 2. What does the pH value denote?
(a) Purity of milk
(b) Analysing the nature of a solution
(c) Checking the intensity of an earthquake
(d) It is used for developing photographic negatives

Ans. (b) Analysing the nature of a solution
Explanation:  The pH value of a solution denotes the nature of the solution i.e whether a solution is acidic, basic, or neutral.

Que 3. When a pH value of a solution shows 7, then a solution is?
(a) Acidic
(b) Basic
(c) Neutral
(d) None of these

Ans. (c) Neutral
Explanation: The Solution having a pH value of 7 is a neutral solution.

Que 4. Which of the following pH value shown by Acids?
(a) 7
(b) 9
(c) 8
(d 6

Ans. (d) 6
Explanation: The acidic solution contains a pH value of less than 7.

Que 5. When a given solution turns red litmus blue, it indicates?
(a) The solution is alkaline
(b) the solution is acidic
(c) The solution is neither acidic nor basic
(d)None of the above

Ans.  (a) The solution is alkaline
Explanation: The solution which turns red litmus blue, indicates that the solution is alkaline.

Que 6. Which of the following is present in a maximum amount in acid rain?
(a) Hydrochloric acid
(b) Sulphuric acid
(c) Nitric acid
(d) Ammonium nitrate

Ans. (b) Sulphuric acid
Explanation: Sulphuric acid is present in the maximum amount in acid rain.

Que 7. An aqueous solution of copper sulphate solution shows an acidic character, what does it mean?
(a) It undergoes photolysis
(b) It undergoes dialysis
(c) It undergoes electrolysis
(d) It undergoes hydrolysis

Ans. (d)  It undergoes hydrolysis
Explanation: An aqueous solution of copper sulphate solution shows an acidic character when it undergoes hydrolysis.

Que 8. Sodium Chloride is a product of? 
(a) Strong acid and strong base
(b) Strong acid and weak base
(c) Strong base and weak acid
(d) Weak acid and weak base

Ans. (a) Strong acid and strong base
Explanation: Sodium Chloride is a product of strong acid and a strong base.

Que 9. Which of the following  is majorly present in the ocean?
(a) Calcium Carbonate
(b) Magnesium Sulphate
(c) Sodium Chloride
(d) Potassium Chloride

Ans. (c) Sodium Chloride
Explanation: Sodium Chloride is majorly present in the ocean.

Que 10. What is the chemical name of baking soda?
(a) Calcium Carbonate
(b) Potassium Chloride
(c) Sodium Bicarbonate
(d) Hydrogen Chloride

Ans. (c) Sodium Bicarbonate
Explanation: Sodium Bicarbonate is the chemical name of baking soda.

Que 11. Which of the given acids does not contain Oxygen?
(a) Sulphuric Acid
(b) Nitric Acid
(c) Hydrochloric Acid
(d) None of these

Ans. (c) Hydrochloric Acid
Explanation: Hydrochloric Acid contains a mixture of Hydrogen and Chlorine. It does not contain Oxygen.

Que 12. What is the nature of Soda water?
(a) Alkaline
(b) Acidic
(c) Oxidising
(d) Reducing

Ans. (b) Acidic
Explanation: Soda water is acidic

Que 13. What is Nila thotha that refers to?
(a) Potassium Chloride
(b) Copper Sulphate
(c) Hydrochloric acid
(d) Sodium Hydroxide

Ans. (b) Copper Sulphate
Explanation: Copper Sulphate is the chemical name of Nila thotha. It is a compound of Copper and Sulphate.

Que 14. What is the common name of sodium hydroxide?
(a) Neela thotha
(b) Kala Azar
(c) Caustic soda
(d) None of these

Ans. (c) Caustic soda
Explanation: The common name of sodium hydroxide is caustic soda.

Que 15. What are Antacids?
(a) Salts
(b) Acids
(c) Buffer
(d)Bases

Ans. (d) Bases
Explanation: Antacids are bases. they are formed by Aluminum Hydroxide, Magnesium Hydroxide, Calcium Carbonate, etc.

Que 16. What is the chemical name of Epsom salt?
(a) Potassium chloride
(b) Sulphur dioxide
(c) Magnesium Sulphate
(d) Sodium Carbonate

Ans. (c) Magnesium Sulphate
Explanation: Magnesium Sulphate is the chemical name of Epsom salt.

Que 17. What is the chemical name of Bleaching Powder?
(a) Calcium Oxychloride
(b) Ammonium Chloride
(c) Calcium Carbonate
(d) Calcium Hydroxide

Ans. (a) Calcium Oxychloride
Explanation: Calcium Oxychloride is the chemical name of Bleaching Powder.

Que 18. Which of the following were used to develop Photographic plates?
(a) Sliver Iodide
(b) Sodium Thiosulphate
(c) Hydrochloric acid
(d) Bromine

Ans. (b) Sodium Thiosulphate
Explanation: Sodium Thiosulphate is used to develop Photographic plates.

Que 19. Which of the Following given options is coated on a Photographic plate?
(a) Sodium Hydroxide
(b) Potassium Chloride
(c) Silver oxide
(d) Silver Bromide

Ans. (d) Silver Bromide
Explanation: Photographic plates are coated with Silver Bromide.

Que 20. Which of the following is viscous in nature?
(a) Water
(b) Gas
(c) Alcohol
(d) Honey

Ans. (d) Honey
Explanation: Honey is viscous in nature.