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  • Assertion: Hydrometallurgy involves dissolving the ore in a suitable reagent followed by precipitation by a more electropositive metal. Reason: Copper is extracted by hydrometallurgy.

In the following question, a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.

Assertion: Hydrometallurgy involves dissolving the ore in a suitable reagent followed by precipitation by a more electropositive metal.

Reason: Copper is extracted by hydrometallurgy.

(i) Both assertion and reason are true and the reason is the correct explanation of assertion.

(ii) Both assertion and reason are true but the reason is not the correct explanation of assertion.

(iii) The assertion is true but the reason is false.

(iv) The assertion is false but the reason is true.

(v) Assertion and reason both are wrong.

Answers (1)

The answer is the option (ii). Copper is extracted by hydrometallurgical process. Suitable solvent like water is used for dissolving salts of metal. They are then reduced by more electropositive element in this process.

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