Question

12. Correct the statement if it is wrong
a) Indicators show different colours
in acidic and basic solutions.
b) Sodium Hydroxide turns blue
litmus red.
c) Tooth decay is caused by the
presence of base in water.​

Answer 1

Explanation:

1)it is correct.

2)false it turns red litmus blue

bcoz it is a base.

3)no it is caused due to the acids released by bacteria and carbonic acid in aerated drink

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