- 1. Which of the following is an example of a natural acid?
A) citric acid
B) matric acid
C) hydrochloric acid
D) acetic acid
- 2. Acids usually have a pH range of ?
A) 0-6.9
B) 5-7.5
C) 3-9
D) 7-14
- 3. Acids are of which of the following characteristic?
A) slimy
B) corrosive
C) whitish
D) slippery
- 4. A combination of Acids and Base gives what
A) salt
B) sugar
C) water
D) gas
- 5. Any neutral substance has a pH of .....
A) completely
B) averagely
C) none
D) partially
- 8. Acids reacts with base to form
A) salt & carbon dioxide
B) salt & water
C) salt only
D) water only
- 9. Caibon (iv) oxide dissoves in water to form a trioxocarbonate. Carbon (iv) oxide is regarded as
A) acid anhydride
B) gas
C) solid
D) salt
- 10. The difference between an alkali and a base is
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