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13-04-2020
Chemistry

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Zn (s) + H2 SO4 (aq) → Zn SO4 (aq) + H2 (g) is an example of-
A. change of colour
B. evolution of gas
C. precipitation reaction
D. endothermic reaction

pls anwer fast

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sagniksengupta067 sagniksengupta067

13-04-2020

Zn (s) + H2 SO4 (aq) → Zn SO4 (aq) + H2 (g) is an example of-

B. evolution of gas

As the biproduct is Hydrogen gas

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