which relation is shown in figure?
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The reaction is : Zn + HCl → ZnCl2 + H2
The metal zinc readily reacts with hydrochloric acid to produce hydrogen gas (H2) and zinc chloride (ZnCl2).
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The experiment shows that when zinc granules are added to dilute hydrochloric acid, then zinc chloride is formed along the evolution of hydrogen gas.
Zn + 2HCl -------> ZnCl2 + H2
In the figure,
(1) shows the formation of ZnCl,
and (2) shows the release of H2 gas ( when candle is brought near H2 gas, it gives a pop- sound)
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