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