In a reaction between zinc and hydrochloric acid, the changes accompanying a reaction is-:
1. Evolution of gas and heat
2.Evolution of steam
3. Formation of precipitate
4. Formation of dazzling white light
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In a reaction between zinc and hydrochloric acid, the changes accompanying a reaction is-:
1. Evolution of gas and heat
2.Evolution of steam
3. Formation of precipitate
4. Formation of dazzling white light
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1.evolution of hydrogen gas and heat.Verified answer
EVOLUTION OF HEAT AND GAS is the right answer.