Write any three methods of preparing benzylamine ?

Write any three methods of preparing formaldehyde from alcohol.

Give any three methods of preparing diethyl ether.

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

Give any four methods of preparing benzyl alcohol.

Give the method of preparing ethylamine from aceto nitrile ?

Write the methods of preparation of nitro methane ?

Give three methods of preparation of chlorine gas.

Write any three effects of Global Warming.