Question

Q1. Mark true if the statement is true and false if it is false.
1.Nitric acid turn red litmus red.(T /F )

2.Sodium hydroxide turns blue litmus red. (T / F)

3.Sodium hydroxide and hydrochloric acid neutralise each other and from salt and water.( T / F)

4.Indicator is a sunbstance which shows different colours in acidic and basic solution .(T/F)

5.Tooth decay is caused by the presence of a base.(T/F)

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Answer 1

Explanation:

1 F

2 F

3 T

4 T

5 F............