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Question

When zinc is reacted with dil. sulphuric acid,which gas is evolved?

A
O2
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B
H2
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C
SO2
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D
SO3
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Solution

The correct option is B H2
When (s)Zn+H2SO4(dil)ZnSO4(s)+H2(g)
Production of zinc sulphate and hydrogen.
This is generally called displacement reaction.
Zinc is more reactive than hydrogen.

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