Question

Adsorption play no role in:-

Options

• Sugar industry to decolourise the crude sugar

• Stopping bleeding from fresh cut

• Drying of the substance closing anhydrous CaCl₂

• Concentration of the ares by breath floatation method.

Answer 1

Drying of the substance closing anhydrous CaCl₂ 

Explanation:

Anhydrous CaCl₂ can absorb moisture both on its surface and within the bluk. As a result, it is a case of adsorption rather than absorption.