What is meant by alkali? Give two examples.

What is alkali? Give two example.

Answer the following questions: What is meant by weak acid? Give two examples.

What is meant by tautonomy? Give two examples.

What is meant by Radiation ? Give example.

(a) what is meant by a solution ? Give two example of solutions (b) what is suspension ? Give two example of suspensions . ( c) what is a colloid :? Give two examples of colloids (or colloidal solutions ).