1. What is the pH of a solution with a hydrogen ion concentration of 1 x 10-4 M?

a) pH 4 b) pH 6 c) pH 8 d) pH 10

2. Which of the following is an example of a strong acid?

a) Acetic acid b) Hydrochloric acid c) Carbonic acid d) Citric acid

3. What is the formula for the conjugate base of H2PO4-?

a) HPO42- b) H3PO4 c) H2PO4+ d) PO43-

4. What is the pH of a solution with a hydroxide ion concentration of 1 x 10-8 M?

a) pH 6 b) pH 8 c) pH 10 d) pH 12

5. Which of the following is an example of a salt?

a) Hydrochloric acid b) Sodium hydroxide c) Sodium chloride d) Ammonia

6. Which of the following is an acid?

a) NaOH b) HCl c) CaCO3 d) NaCl

7. Which of the following is a base?

a) HNO3 b) HCl c) NaOH d) CH3COOH

8. When an acid reacts with a base, which of the following is formed?

a) Water b) Salt c) Acid d) Base

9. Which of the following is a strong acid?

a) HCl b) HNO2 c) HF d) H2SO4

10. Which of the following is a weak base?

a) NH3 b) NaOH c) KOH d) Ca(OH)2

11. What is the pH of a neutral solution?

a) 7 b) 0 c) 14 d) -1

12. Which of the following is a strong base?

a) NH3 b) NaOH c) KOH d) CH3COOH

13. Which of the following is a conjugate acid?

a) HCl b) NaOH c) Cl- d) OH-

14. What is the pH of a solution with a hydrogen ion concentration of 1x10-8 M?

a) 8 b) 6 c) 10 d) 12

15. Which of the following is a salt?

a) NaCl b) HCl c) H2SO4 d) NH3

16. Which of the following is a weak acid?

a) Hydrochloric acid (HCl) b) Nitric acid (HNO3) c) Acetic acid (CH3COOH) d) Sulfuric acid (H2SO4)

17. Which of the following is a strong base?

a) Sodium hydroxide (NaOH) b) Ammonia (NH3) c) Sodium bicarbonate (NaHCO3) d) Calcium hydroxide [Ca(OH)2]

18. Which of the following salts is acidic in nature?

a) NaCl b) K2SO4 c) NH4Cl d) MgCl2

19. Which of the following is a Lewis acid?

a) HCl b) HNO3 c) Fe3+ d) NaOH

20. What is the pH of a solution with a hydrogen ion concentration of 1 x 10-7 M?

a) 7 b) 1 c) 10 d) 14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

7

8

9

10

 

B

B

A

D

C

B

C

B

A

A

 

11

12

13

14

15

16

17

18

19

20

 

A

B

A

A

A

C

A

C

C

A

 

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