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Chemistry
Adsorption plays no role in
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Q. Adsorption plays no role in
Surface Chemistry
A
sugar industry to decolourise the crude sugar
15%
B
cleansing action of soaps and detergents
7%
C
drying of the substances using anhydrous $CaCl _{2}$
62%
D
concentration of the ores i.e., in froth-floatation method
17%
Solution:
The substance is dehydrated by anhydrous $CaCl _{2}$, so it is a bulk phenomenon i.e., absorption and not adsorption.