iCON Education - Surface Chemistry BITSAT Test

Candidate Name

Student

Exam Name

BITSAT

Test Name

Surface Chemistry

Subject

Chemistry

Remaining Time

00:15:00

Question 1: Palette 1/2

BITSAT 2021 MCQ

The process of removal of excess electrolyte from colloidal solution is

coagulation

dialysis

ultra-filtration

peptisation

Question 2: Palette 2/2

BITSAT 2020 MCQ

Out of the options listed below, which one cannot be explained by adsorption?

When acetic acid solution is shaken with charcoal the concentration of acid decreases.

The white ppt. of Mg(OH)₂ attains blue colour when precipitated in the presence of magneson reagent.

An aqueous solution of NaOH attains pink colour with a drop of phenolphthalein.

When animal charcoal is shaken with coloured methylene blue solution, the solution turns colurless.

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