Question

Q2. True False
a) Nitric acid tums red litmus blue. b) Sodium hydroxide tums blue litmus red.
c) Sodium hydroxide and hydrochloric acid neutralise each other and form salt
and
water. d) Indicator is a substance which shows different colours in acidic and
basic solutions. e) Tooth decay is caused by the presence of a base. f) If an
indicator changes colour with a base, it does not change colour with an acid.​

Answer 1

Answer:

a)False b)False c)False d).True e)True f)False

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