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Evolution of Gas

What happens ...

Question

What happens when dilute HCl or H2SO4 is added to zinc granules? ( 3 mrks )

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Solution

Zinc on reaction with dilute HCl and dilute H2SO4 liberate hydrogen gas. Reaction occurs as follows:
Zn + 2HCl → ZnCl₂ + H₂
Zn + H₂SO₄ → ZnSO₄ + H₂

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