Class 10 Science MCQ Chapter 2 Acids, Bases and Salts

Class 10 Science MCQ Chapter 2 Acids, Bases and Salts, Class 10 Science MCQ Question Answer, Class 10 Science Multiple Choice Question Answer to each chapter is provided in the list of SCERT Science Class 10 Objective Types Question Answer so that you can easily browse through different chapters and select needs one. Class 10 Science MCQ Chapter 2 Acids, Bases and Salts Question Answer can be of great value to excel in the examination.

SCERT Class 10 Science MCQ Chapter 2 Acids, Bases and Salts

SCERT Class 10 General Science MCQ Chapter 2 Acids, Bases and Salts Notes covers all the exercise questions in SCERT Science Textbooks. The NCERT Class 10 Science MCQ Chapter 2 Acids, Bases and Salts provided here ensures a smooth and easy understanding of all the concepts. Understand the concepts behind every chapter and score well in the board exams.

Acids, Bases and Salts

Chapter – 2

Multiple Choice Questions & Answers

1. Human body works efficiently within the pH range

(a) Lower than 5.6

(b) Lower than 5.5

(c) Between 7.0 and 7.8

(d)  Between 0 and 14

Ans: (c) Between 7.0 and 7.8

2.  Our tooth decay starts when pH of mouth is- 

(a)  Less than 7.0

(b)  Less than 5.5

(c)  More than 5.6

(d) More than 5.5

Ans : (b) less than 5.5

3. Which of the following acid is secreted when nettle leaves sting-

(a) Acetic acid.

(b) Citric acid.

(c) Lactic acid.

(d) Methanoic acid.

Ans: (d) Methanoic acid.

4. The nature of sodium chloride salt-

(a) Neutral.

(b) Basic.

(c) Acidic.

(d) None of these.

Ans: (a) Neutral.

5. The nature of salt produced by the reaction between a strong and a weak base-

(a) Basic.

(b) Acidic.

(c) Neutral.

(d) None of these.

Ans: (b) Acidic.

6. The nature of salt produced by the reaction between a weak acid and a strong base-

(a) Basic.

(b) Neutral.

(c) Acidic.

(d) None of these.

Ans: (a) Basic.

7. Which of the following non-metallic oxides is neutral in nature-

(a) Neutral.

(b) Acidic.

(c) Basic.

(d) None of these.

Ans: (a) Neutral.

8. Which of the following non-metallic oxides is neutral in nature –

(a) CO₂ 

(b) SO₂ 

(c) H₂O 

(d) SO₃ 

And: (c) H₂O

9. Which of the following sodium compounds is a component of antacids-

(a) Sodium hydroxide.

(b) Sodium hydrogen carbonate.

(c) Sodium carbonate.

(d) Bleaching powder.

Ans: (b) Sodium hydrogen carbonate.

10. Which of the following is used to remove permanent hardness of water-

(a) Washing soda.

(b) Baking soda.

(c) Sodium hydroxide.

(d) Bleaching powder.

Ans: (a) Washing soda.

11. Which of the following compounds produces bleaching powder by the action of chlorine-

(a) Sodium hydroxide.

(b) Calcium hydroxide.

(c) Sodium carbonate.

(d) Potassium hydroxide.

Ans: (b) Calcium hydroxide.

12. The compound formed when Plaster of Paris reacts with water is-

(a) Copper sulphate.

(b) Sodium carbonate.

(c) Baking Soda.

(d) Gypsum.

Ans: (d) Gypsum.

13. A solution has turned blue litmus paper red. Its pH is likely to be-

(a) 1 

(b) 7

(c) 8

(d) 10

Ans: (a) 1

14. Which of the following is heated to obtain sodium carbonate-

(a) Slaked lime.

(b) Baking soda.

(c) Gypsum.

(d) Plaster of Paris.

Ans: (b) Baking soda.

15.  Chlor-alkali process gives-

(a) Sodium hydroxide.

(b) Chlorine.

(c) Hydrogen.

(d) All of above.

Ans: (d) All of above.