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Assertion : Hydrometallurgy involves dis...

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

A

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

B

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

C

Assertion is true but reason is false

D

Assertion is false but reason is true.

Text Solution

Verified by Experts

The correct Answer is:
B

(b) Assertion and reason both are correct but reason is not the correct explanation of assertion.
Hydrometallurgy involves dissolving the ore in suitable reagent followed by precipitation with the help of more electropositive metal in which pure metal is get replaced by more electropositive metal.
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Consider the following statements. Hydrometallurgy involves dissolving the ore in a suitable reagent followed by precipitation by a more electropositive metal. Copper is extracted by hydrometallurgy.

The process of isolation of metals by dissolving the ore in a suitable chemical reagent followed by precipitation of the metal by a more electropositive metal is called

The process of the isolation of a metal by dissolving the ora in a suitable chemical regent followed by precipitaiton of the matal by a more electropositive metal is called:

The process of bringing the metal or its ore into solution by the action on a suitable chemical reagent followed by extracton of the metal.

Assertion: Extraction of zinc from sphalerite ore involes the roasting followed by reduction with coke. Reason: Zinc can be extracted by hydrometallurgy.

Copper can be extracted by hydrometallurgy but not zinc because

NCERT EXEMPLAR-GENERAL PRINCIPLE AND PROCESSES OF ISOLATION OF ELEMENTS -General Principle And Processes Of Isolation Of Elements
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