Question

6. (a) Name the electrodes at which oxygen and hydrogen bubbles get formed
during electrolysis of water,
(b) Name the type of energy transformation taking place in a voltaic cell.
(c) A piece of impure copper metal is given to you. Describe briefly how willyou purify it by using the chemical effect of current.​

Answer 1

Answer:

6. (a) Name the electrodes at which oxygen and hydrogen bubbles get formed

during electrolysis of water,

(b) Name the type of energy transformation taking place in a voltaic cell.

(c) A piece of impure copper metal is given to you. Describe briefly how willyou purify it by using the chemical effect of current.