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Give two chemical equations for each of the following: (a) Reactions of nitric acid with non-metals

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Give two chemical equations for each of the following:

(a) Reactions of nitric acid with non-metals

(b) Nitric acid showing as an acidic character

(c) Nitric acid acting as an oxidizing agent

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(a) Reaction of nitric acid with non-metals:

C + 4HNO3 → CO2 + 2H2O + 4 NO2

S + 6 HNO3 → H2SO4 + 2H2O + 6NO2

(b) Nitric acid showing acidic character:

K2O + 2HNO3 → 2KNO3 + H2O

ZnO + 2HNO3 → Zn(NO3)2 + H2O

(c) Nitric acid acting as oxidizing agent

P4 +20HNO3 → 4H3PO4 + 4H2O + 20NO2

3Zn +8HNO3 → 3Zn(NO3)2 + 4H2O + 2NO

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