Physics, asked by parry4336, 1 year ago

Why chemical reaction showing evolution of a gas
And

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Answered by DevilSAM
1
Here is your answer by S.A.M.
A replacement reaction concerning zinc metal and hydrogen chloride:Zn + 2 HCl → ZnCl
2 + H
2 (gas)In this example, hydrogen gas in diatomic form is released.
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