In the extraction of aluminium by electrolysis it is necessary to renew the anode periodically.
REASON
Oxygen gas is formed and at high temperature of the electrolysis cell it burns and oxidises away the carbon electrodes to form toxic carbon monoxide or carbon dioxide
Answers & Comments
ASSERTION
In the extraction of aluminium by electrolysis it is necessary to renew the anode periodically.
REASON
Oxygen gas is formed and at high temperature of the electrolysis cell it burns and oxidises away the carbon electrodes to form toxic carbon monoxide or carbon dioxide
Well the answer is graphite