To purify the 'blister copper' it is melted in a furnace an…

Chemistry General Principles and Processes of Isolation of Elements ( Not In Syllabus ) Purification or Refining of Impure Metals Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 14, 2026

To purify the 'blister copper' it is melted in a furnace and then stirred with the poles of freshly cut green wood. The purpose of this is :

to remove the gases dissolved in blister copper.

to bring the impurities to the surface of the molten liquid.

to increase the carbon percentage.

to reduce the metallic oxide to metal by hydrocarbons liberated by green wood

Text Solution

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The correct answer is:

Hydrocarbons liberated by green wood which use to reduce the metallic oxide to metal.

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