. Mark "T" if the statement is true and "F" if it is false:

i.    Nitric acid turns red litmus blue. (T/F)

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

iii.  Sodium hydroxide and hydrochloric acid neutralize each other and form salt and water. (T/F)

iv.   Indicator is a stub stance which shows different colours in acidic and basic solutions. (T/F)

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


Best Answer

i. F, ii. F, iii. T, iv. T, v. F.

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