What is gold number?

Important Questions on Surface Chemistry

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 5 - Surface Chemistry>QUESTIONS>Q 4

By what method a colloid can be separated from crystalloid.

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 5 - Surface Chemistry>QUESTIONS>Q 5

What is the name of the process of removing an adsorbed substance from the surface on which it is adsorbed?

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 5 - Surface Chemistry>QUESTIONS>Q 7

Why animal charcoal is used for purification of sugar?

MEDIUM

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 5 - Surface Chemistry>QUESTIONS>Q 9

Why colloids cannot be filtered by ordinary filter paper?

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 5 - Surface Chemistry>QUESTIONS>Q 10

A colloidal solution is called a _____.

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 5 - Surface Chemistry>QUESTIONS>Q 11

What is the size of a colloidal particle?

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 5 - Surface Chemistry>QUESTIONS>Q 12

Why does a colloidal solution coagulate on addition of an electrolyte?

EASY

12th Odisha Board

IMPORTANT

Bureau's Higher Secondary Chemistry Volume-2>Chapter 5 - Surface Chemistry>QUESTIONS>Q 13

What is the cause of Tyndall effect?