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

Presence of colloids helps in sewage disposal.

What is the role of Argyrol?

What is the amount of intermediate formed when initial amount is 300 and final amount is 700?

Which of the following statements is not correct?

Which of the following diseases is cured using colloidal antimony?

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

In which of the following, the dispersed phase and medium can be separated by evaporation?