When adsorption of oxalic acid is carried out on activated charcoal, then activated charcoal is known as :
Adsorbate
Adsorbent
Absorber
Adsorber
Removal of colouring matter from solution-
Animal charcoal removes the colours of the solution by adsorbing coloured impurities. The activated charcoal, in which the oxalic acid is adsorbed is called adsorbent.
Hence, option number (2) is correct.
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