When hit by light, what happens to a colloidal mixture?

Promoter decreases the activity of catalyst.

Which of the following is present at the time of cracking of hydrocarbons?

Which of the following forces is involved in physical adsorption?

Which of the following colloids cannot be formed by direct mixing?

What is the emulsifier present in milk that makes it stable?

What is the process called when the molecules of a substance are retained at the surface of a solid or a liquid?

Which of the following is used to cure arsenic poisoning?