Zinc does not evolve hydrogen gas on reacting with hno3
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Nitric acid(HNO3) is a strong oxidising agent. The Hydrogen gas produced during its reaction with metal gets oxidised to H2O, hence no hydrogen gas is produced. Instead it evolves nitric oxides such as NO2,NO......
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Because HNO3 is an oxidising agent which oxidised H2 gas and from H2O
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