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Which of the following metal evolves hydrogen on reaction with cold dilute HNO3?

Hydrogen

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10/12/2021 11:15 am

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Palak23

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Which of the following metal evolves hydrogen on reaction with cold dilute HNO₃?

(a) Mg

(b) Al

(d) Cu

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10/12/2021 11:17 am

Reyana09

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Correct answer: (a) Mg

Explanation:

Mg + 2HNO (dil.) → Mg(NO₃)₂ + H₂

(Mg and Mn give H₂ with dil HNO₃)

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