Chapter 2 of class 10 science as per the NCERT syllabus is Acids, Bases, and Salts which deals with the properties of acids, properties of bases, the difference between acids and bases, pH scale and its significance, chemical reactions of acids and bases, types of salts and their preparation, pH of salts and their solutions, importance & uses of various salts, etc.
Here, we have discussed 30 Multiple Choice Questions based on these topics of the chapter. These questions will help you to learn more about the chapter.
For each question below, there are four options out of which only one option is correct. The correct answer to each question is given at the end for your reference.
MCQ on Class 10 Science Chapter 2
1. Which of the following substances is sour in taste?
a) Vinegar
b) Sugar
c) Salt
d) Water
2. What color does red litmus paper turn when dipped into an acidic solution?
a) Red
b) Blue
c) Yellow
d) No change
3. Which of the following is a property of bases?
a) Sour taste
b) Turns blue litmus paper red
c) Feels slippery
d) Reacts with metals to produce hydrogen gas
4. Which of the following is a strong acid?
a) Acetic acid
b) Citric acid
c) Hydrochloric acid
d) Carbonic acid
5. What is the pH value of a neutral solution?
a) 0
b) 7
c) 14
d) -7
6. What is the pH value of lemon juice?
a) 1
b) 7
c) 14
d) 0
7. Which acid is present in ant stings?
a) Acetic acid
b) Formic acid
c) Hydrochloric acid
d) Nitric acid
8. Which base is found in soaps and detergents?
a) Sodium hydroxide
b) Potassium hydroxide
c) Calcium hydroxide
d) Ammonium hydroxide
9. Which gas is evolved when an acid reacts with a metal?
a) Oxygen
b) Hydrogen
c) Carbon dioxide
d) Nitrogen
10. Which acid is present in grapes?
a) Citric acid
b) Tartaric acid
c) Lactic acid
d) Malic acid
11. What happens when an acid reacts with a metal carbonate?
a) Formation of salt only
b) Evolution of carbon dioxide gas
c) Formation of water only
d) No reaction occurs
12. What is the chemical formula of baking soda?
a) NaOH
b) NaCl
c) NaHCO₃
d) Na₂CO₃
13. What is the product when hydrochloric acid reacts with sodium hydroxide?
a) NaCl + H₂O
b) NaOH + HCl
c) NaCl + NaOH
d) H₂O + HCl
14. Which of the following salts is formed by the reaction of sulfuric acid with sodium hydroxide?
a) Sodium sulfate
b) Sodium chloride
c) Sodium nitrate
d) Sodium carbonate
15. What is the pH value of a strong acid?
a) Less than 7
b) Exactly 7
c) Greater than 7
d) Cannot be determined
16. Which of the following is not a property of acids?
a) Sour taste
b) Turns blue litmus paper red
c) Bitter taste
d) Reacts with metals to produce hydrogen gas
17. Which of the following is an example of a weak acid?
a) Hydrochloric acid
b) Nitric acid
c) Acetic acid
d) Sulfuric acid
18. What is the pH value of a solution that turns blue litmus paper red?
a) Less than 7
b) Exactly 7
c) Greater than 7
d) Cannot be determined
19. Which acid is found in curd?
a) Citric acid
b) Tartaric acid
c) Lactic acid
d) Acetic acid
20. Which of the following is not a strong base?
a) Sodium hydroxide
b) Potassium hydroxide
c) Calcium hydroxide
d) Ammonium hydroxide
21. Which gas is evolved when an acid reacts with a metal carbonate?
a) Oxygen
b) Hydrogen
c) Carbon dioxide
d) Nitrogen
22. What is the pH value of a solution that turns red litmus paper blue?
a) Less than 7
b) Exactly 7
c) Greater than 7
d) Cannot be determined
23. Which acid is found in vinegar?
a) Acetic acid
b) Citric acid
c) Lactic acid
d) Tartaric acid
24. What is the pH value of a solution that is neutral?
a) 0
b) 7
c) 14
d) -7
25. Which of the following salts is formed by the reaction of hydrochloric acid with sodium hydroxide?
a) Sodium chloride
b) Sodium sulfate
c) Sodium nitrate
d) Sodium carbonate
26. What is the pH value of a strong base?
a) Less than 7
b) Exactly 7
c) Greater than 7
d) Cannot be determined
27. Which of the following is not a property of bases?
a) Sour taste
b) Bitter taste
c) Turns red litmus paper blue
d) Feels slippery
28. Which acid is present in lemon?
a) Acetic acid
b) Citric acid
c) Lactic acid
d) Ascorbic acid
29. What is the chemical formula of washing soda?
a) NaOH
b) NaCl
c) Na₂CO₃
d) NaHCO₃
30. What happens when an acid reacts with a metal oxide?
a) Formation of water
b) Formation of salt
c) Evolution of hydrogen gas
d) No reaction occurs
Correct Answers
- a) Vinegar
- b) Red
- c) Feels slippery
- c) Hydrochloric acid
- b) 7
- a) 1
- b) Formic acid
- a) Sodium hydroxide
- b) Hydrogen
- b) Tartaric acid
- b) Evolution of carbon dioxide gas
- c) NaHCO₃
- a) NaCl + H₂O
- a) Sodium sulfate
- a) Less than 7
- c) Bitter taste
- c) Acetic acid
- a) Less than 7
- c) Lactic acid
- d) Ammonium hydroxide
- c) Carbon dioxide
- c) Greater than 7
- a) Acetic acid
- b) 7
- a) Sodium chloride
- c) Greater than 7
- a) Sour taste
- b) Citric acid
- c) Na₂CO₃
- a) Formation of water
The Bottom Line
I hope these 30 MCQs on Acids Bases and Salts of Class 10 Science Chapter 2 have helped you in your studies and preparation.
If you have any queries, or comments or find any mistake in the above questions, feel free to contact me in the comment section below.
I would love to hear from you.
Abdur Rohman is an Electrical Engineer from Charaideo, Assam, who wears multiple hats as a part-time teacher, blogger, entrepreneur, and digital marketer. Passionate about education, he founded The Assam School blog to provide free, comprehensive textbook solutions, MCQs (Multiple Choice Questions), and other academic content for students from Class V to XII.