How is boron obtained from borax ? Give chemical equations with reaction conditions.

How is boron obtained from borax ? Give the chemical reactions involved. Draw the structure of B_(2)H_(6) and give its reaction with HCl .

How is zinc obtained from zinc blende ? Give chemical reactions.

How is polythene prepared from ethene ? Give chemical equation only

Give chemical equation for Fischer esterification reaction.

(a) How is ethanoic acid obtained from ethanol? Write down the chemical equation of the reaction involved. (b) How would you distinguish between ethanol and thanooic acid by chemical test? (c ) Explain the formation of scum when hard water is treated with soap.

How does differ from group in chemical reactions ?

Describe the processes involved in the extraction of iron from haematite ore. Give the chemical equations for the reactions involoved.