Chemistry Quiz - Acids and Bases
1. Both acids and bases:
A
have a sour taste
B
contain hydrogen ions in solution
C
are corrosive
2. The pH of acids is:
A
greater than 7
B
equal to 7
C
less than 7
3. Bases turn litmus paper:
A
blue
B
purple
C
red
4. The name given to a soluble base is:
A
an acid
B
a dissolvable base
C
an alkali
5. Vinegar, aspirin and vitamin C are examples of household:
A
bases
B
alkalis
C
acids
6. Examples of bases are:
A
soaps and softdrink
B
caustic soda and limewater
C
urine and lemon juice
7. The chemical name for caustic soda is:
A
sodium hydroxide
B
hydrochloric caid
C
softdrink
8. Limewater has the chemical name of:
A
lime soda
B
calcium hydroxide
C
sodium chloride
9. The pH of a strong acid such as hydrochloric acid is about:
A
1 to 3
B
4 to 9
C
10 to 14
10. The pH of neutral substances such as common salt and water is:
A
1 to 6
B
7
C
8 to 14
11. Acids and bases neutralise each other to form:
A
water only
B
alkalis
C
salt and water
12. Acids react with metals to form:
A
salt and hydrogen
B
metal salts and water
C
water and oxygen
13. Acids react with carbonates to form:
A
salt, hydrogen and water
B
salt, carbon dioxide and water
C
water and oxygen
14. A substance which changes different colours in acids and bases is called:
A
a colour conversion chemical
B
an indicator
C
an alkali
15. Examples of indicators are:
A
red cabbage indicator and aspirin
B
limewater, caustic soda and methyl orange
C
litmus paper, phenolphthalein and bromothymol blue
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