Chapter 2 Acids Bases and Salts Important MCQs with Answers | 10th Class Chemistry

Here we have provided all the important Multiple choice questions and answers of Chapter Acids Bases and Salts of 10th class chemistry.

Acids Bases and Salts 

MCQ 1: The pH (power of Hydrogen) value of black coffee is
A. 7
B. 8
C. 3
D. 5
MCQ 2: When a metal replaces hydrogen atom then compound form is
A. oxide
B. ether
C. salt
D. alcohol
MCQ 3: KOH is used in making of
A. drain cleaner
B. antacid
C. cement
D. liquid soap
MCQ 4: If the concentration of H+ is greater than 1 x 10-7 then solution is
A. neutral
B. basic
C. acidic
D. aqueous
MCQ 5: The acid used for the manufacture of fertilizers and explosives is
A. Nitric acid
B. Sulfuric acid
C. phosphoric acid
D. hydrochloric acid
MCQ 6: The pH at which methyl red changes color is
A. 7
B. 5.5
C. 3.8
D. 9
MCQ 7: Substances that react with both acids and bases are called
A. neutral
B. conjugate bases
C. amphoteric substances
D. conjugate acids
MCQ 8: Acids ionize in water to produce
A. OH- ions
B. H+ ions
C. SO4-2 ions
D. H2O molecules
MCQ 9: Corrosive effect on skin is caused by
A. acids
B. bases
C. water
D. mercury
MCQ 10: The pH of water is
A. 8
B. 3
C. 2
D. 7
MCQ 11: In pure water, the concentrations of
A. H+ and OH- ions are equal
B. H+ ions is more
C. OH- ions is more
D. Cl- is more
MCQ 12: Phenolphthalein in acidic solution is
A. colorless
B. pink colored
C. yellow colored
D. orange colored
MCQ 13: If the pH value is greater than 7, then solution is
A. acidic
B. basic
C. neutral
D. salty
MCQ 14: When acid reacts with metal carbonate, the products are
A. salt
B. water
C. carbon dioxide
D. all of above
MCQ 15: The amount of Hydrochloric Acid (HCl) secreted daily by gastric glands is
A. 1 lit
B. 3 lit
C. 2 lit
D. 4 lit
MCQ 16: The Bronsted-Lowery acid in the reaction H2O + NH3 NH+ 4 + OH- is
A. H2O
B. NH3
C. OH-
D. NH+4
MCQ 17: A substance that donates a pair of electrons to form coordinate covalent bond is called
A. Lewis acid
B. Lewis base
C. Bronsted-Lowry acid
D. Bronsted-Lowry base
MCQ 18: A specie which is able to accept a proton is called
A. acid
B. base
C. neutral compound
D. cation
MCQ 19: Preservatives are used to preserve
A. food
B. acids
C. bases
D. water
MCQ 20: Bases leaves blue litmus
A. red
B. pint
C. black
D. unchanged
MCQ 21: The salt among the following is
A. HCl
B. KCl
C. HNO3
D. H3PO4
MCQ 22: As an electrolyte, water is
A. strong
B. neutral
C. weak
D. a good insulator
MCQ 23: The process in which acids (H+) and bases (OH-) react to form salts and water is called
A. neutralization
B. hydrogenation
C. halogenation
D. sublimation
Answers:
1. D
2. C
3. D
4. C
5. A
6. B
7. C
8. B
9. A
10. D
11. A
12. A
13. B
14. D
15. C
16. A
17. B
18. B
19. A
20. D
21. B
22. C
23. A 

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