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Which of the following pairs of substance on reaction will not evolve H₂ gas

Which of the following pairs of substance on reaction will not evolve H₂ gas

Options

(a) Copper and HCl (aqueous)
(b) Iron and steam
(c) Iron and H₂SO₄ (aqueous)
(d) Sodium and ethyl alcohol

Correct Answer:

Copper and HCl (aqueous)

Explanation:

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