Write the chemical methods of preparing colloids .

Give two chemical methods for the preparation of colloidal solutions.

Write the chemical equation of preparation of baking soda. What are the uses of baking soda ?

Write the chemical equations for the preparation of ethanol from the following compounds: (i) Ethyl bromide (ii) Ethene (iii) Acetaldehyde

The chemical method of contraception includes

Write the chemical reaction for the preparation of phenol form chlorobenzene.

Write the chemical name of Plaster of Paris. Write the chemical equation of its preparation. Why should Plaster of Paris be stored in a dry place ?

Write the chemical equation for the preparation of phenol from benzene using oleum and sodium hydroxide.

Give peptization method for preparation of colloids.

How is nitrogen prepared in the laboratory? Write the chemical equations of the reactions involved.

Write one chemical reactions for the preparation of D_(2)O_(2) .