observe the figure and identify the substances marked p ,q and r
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observe the figure and identify the substances marked p ,q and r
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We know that that hydrogen gas evolve with a pop sound hence the answer should be d
and for a conformation i want to mention the reaction too i.e
Zn + 2HCl = ZnCl2 + H2.
P=Zinc
q=Hydrochloric acid
r=Hydrogen
Hope it helps you!