(a) Name one metal which reacts with dilute hydrochloric acid to produce hydrogen gas.
(b) Name one metal which does not react with dilute hydrochloric acid.

(a) Sodium reacts vigorously with dilute hydrochloric acid because it is above hydrogen in the reactivity series of metals.

(b) Copper does not react with dilute hydrochloric acid because it is below hydrogen in the reactivity series of metals.
 

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Updated on: 10-Oct-2022

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