Question

Which type of phenomenon is seen when coloured dye is removed from solution

of sugar by charcoal ?

(A) Adsorption

(B) Absorption

(C) Absorption and Adsorption both.

(D) None of these.​

Answer 1

Answer:

(c) adsorption and absorption,

Answer 2

The correct option regarding the type of phenomenon seen when the colored dye is removed from the solution of sugar by charcoal is (B) Absorption.

• Adsorption is the bulk phenomenon wherein particles go deep inside the system or solution.
• Dissolution of fluid or solid in another liquid is absorption while retaining of particles of solid, liquid, and gas is absorption.
• Charcoal has small spaces on which particles of dye get adsorbed and sugar is decolorized and we get white sugar.
• Adsorption occurs fast at lower temperatures while absorption does not affect by temperature.
• In air conditioners, water vapors are adsorbed on silica gel while absorption of water vapor by anhydrous calcium chloride is the process of absorption.
• Chromatography is also based on adsorption.
• Painting on the wall is also an example of adsorption.

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