Which type of phenomenon is used when coloured dye is removed from solution of sugar by charcoal?

Absorption

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Adsorption

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Both absorption and adsorption

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None of the above

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Solution

The correct option is B Adsorption
Absorption is the process in which a fluid is dissolved by a liquid or a solid (absorbent). Adsorption is the process in which atoms, ions or molecules from a substance (it could be gas, liquid or dissolved solid) adhere to a surface of the adsorbent.

Charcoal is used as a decolourizer as it adsorbs the colouring matter from the coloured solution of sugar.
Hence, the correct option is $B$

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