Give any four methods of preparing benzyl alcohol.

What are monohydric alcohols ? How are they classified ? Give any three methods of preparing ethyl alcohol.

Give any three methods of preparing diethyl ether.

Write any three methods of preparing benzylamine ?

Name any four methods of contraception.

Write any three methods of preparing formaldehyde from alcohol.

Give the method of preparing ethylamine from aceto nitrile ?

Give two methods of conversion of primary alcohol to aldehyde.

Give three methods of preparation of chlorine gas.

List any four methods of contraceptions used by humans. How does their use have a direct effect on the health and prosperity of a family.