Question

true or false

a)nitric acid turnes blue litmus red(t/f)

b)sodium hydroxide and neutralize each other and formes salt and water(true or false)

c) sodium hydroxide turnes blue litmus red (true or false)

d)indicator is a substance which shows different colours in acidic and bacis solution(true or false)

e)tooth decay is caused by the presence of a base(true or false)

plese answer for me​

Answer 1

Answer:

a) true

b) true

c) false

d) true

e) false

Answer 2

Answer:

True

True

False

True

False

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