Question

on pouring dilute hydrochloric acid on zinc granules ticket is a conical flask which is anchored observation a) Bubbles Are seen rising from the surface of zinc granules b) the evolved gas is hydrogen see c) the reaction mixture becomes hot d) the gas evolved is chlorine​

Answer 1

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Hydrogen gas will evolve when HCl is poured on Zinc, which are seen as bubbles.The reaction mixture becomes hot because reaction of HCl is always Exothermic and a lot of heat revolves in this reaction.