Question

Give an equation to prove the acidic nature of nitric acid

Answer 1

hno3 + Na - nano3 + h2 liberated

hno3 + k - kno3 + h2 gas liberated

the liberation of h2 gas intcated that the following reactio has an acidic media in one side of reactants

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Answer 2

$\huge\bold\red{Answer}$

If you will drop some drops of nitric acid on the litmus paper it will turn blue litmus red which shows it's acidic nature.