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The reason for different behaviour (floa...

The reason for different behaviour (floating) of Mg in dil HCl is due to:

A

Mg is lighter element than dil. HCl

B

Mg reacts with dil. HCl to produce `H_2` gas which helps in floating

C

Mg reacts with dil. HCl to produce `N_2` gas which helps in floating

D

Mg reacts with dil. HCl to produce `CO_2` gas which helps in floating

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