Give three uses of emulsions.

Why does bleeding stop by rubbing moist alum

Why is desorption important for a substance to act as good catalyst?

Comment on the statement: Colloid is not a substance but it is a state of substance.

Explain any one method for coagulation.

Write a note on electro osmosis.

Write a note on catalytic poison

Explain intermediate compound formation theory of catalysis with an example.

What is the difference between homogenous and hetrogenous catalysis?

Describe adsorption theory of catalysis