Question

Rectify the sentence -
Zinc reacts with dilute hydrochloric acid to liberate hydrogen gas

Answer 1

Answer:

Zinc reacts with hydrochloric acid to liberate Hydrogen gas as it is more reactive than Hydrogen and hence, displace it. Copper is less reactive when compared to Hydrogen and hence cannot displace it.

This shows Displacement reaction

Answer 2

Answer:

Zinc reacts with hydrochloric acid to liberate Hydrogen gas as it is more reactive than Hydrogen and hence, displace it.

Explanation:

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