Question : Activated charcoal is used to remove colouring matter from pure substances by
Option 1: bleaching
Option 2: oxidation
Option 3: adsorption
Option 4: reduction
Correct Answer: adsorption
Solution : The correct option is adsorption .
Through the process of adsorption, activated charcoal, sometimes known as activated carbon , is used to remove colour contaminants from materials. Adsorption pertains to the adherence of molecules or particles to the surface of a solid object.
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