Acids Bases And Salts

Chemistry
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Which acids/ bases are used for the following?
(i) To neutralize sting of wasps
(ii) In alkaline batteries
(iii) Manufacturing of soap

A
(i) (ii) (iii)
B
(i) (ii) (iii)
C
(i) (ii) (iii)
D
None of these
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Acids and bases are important because of :

A
their use in industry
B
their effects on human health
C
their effects on farmer's crops
D
their use in neutralization to form salts
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What happens when blue litmus paper is dipped into chlorine water?

A
Paper becomes red
B
Paper becomes white
C
Paper remains blue
D
Paper dissolves
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Hydrogen chloride gas turns the blue litmus paper:

A
green
B
red
C
black
D
no change in colour
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A drop of a liquid sample was put on the pH paper. The color of the pH paper turned blue. The liquid sample could be that of:

A
Lemon juice
B
Hydrochloric acid
C
Sodium bicarbonate solution
D
Ethanoic acid
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An alkali used for removing grease stains is:

A
B
C
D
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______ turns red litmus to blue.

A
Acid
B
Base
C
Both of A and B
D
None of A or B
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is used to remove grease stains from woollen clothes. Identify and .

A
B
C
D
None of these
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Antacids contain ___________.

A
weak base
B
weak acid
C
strong base
D
strong acid
Medium
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