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

O_{2}

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H_{2}

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S O_{2}

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S O_{3}

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Solution

The correct option is B $H_{2}$
When $(s) Z n + H_{2} S O_{4} (d i l) ⟶ Z n S O_{4} (s) + H_{2} (g)$
Production of zinc sulphate and hydrogen.
This is generally called displacement reaction.
Zinc is more reactive than hydrogen.

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