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Introduction

Activated cha...

Question

Activated charcoal is used to remove coloring matter from pure substances. It works by:

A

oxidation

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B

reduction

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C

bleaching

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D

adsorption

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Solution

The correct option is D adsorption
Activated charcoal is used to remove colouring matter from pure substances. It works by adsorption. Colour impurities are adsorbed on the surface of activated charcoal.

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