Promoter decreases the activity of catalyst.

What is the colloidal solution of a gas in liquid called?

Which of the following colloids is most stable?

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

Which of the following statement about emulsions is true?

Presence of colloids helps in sewage disposal.

Which of the following statements is incorrect?

What isthe order of diameter of colloidal particles?