Anodes need do be replaced from time to time during the electrolysis of alumina

Give scientific reasons: Anodes need to be replaced from time to time during the electrolysis of alumina

Give scientific reasons for the following: Anodes need to be replaced from time to time during the electrolysis of alumina.

The number of electrons delivered at the cathode during electrolysis by a current of 1 ampere in 60 seconds is (charge on electron = 1.60 xx 10^(-19)C )

The overall reaction taking place at anode during electrolysis of fused sodium chloride using suitable electrode is __________.

Fill in the blanks : During the electrolysis of alumina ,………….. Is liberated at the anode.

State whether the following statements are true or false: During electrolysis of water, hydrogen gas is formed near the anode.

How should we be have with each other during the time of disaster ?

The acceleration a of a particle starting from rest varies with time, according to relation a=alpha t+beta . The velocity of the particle after a time t will be

A particle first accelerates from rest and then retards to rest during the time interval of 8 s. If the retardation is 3 times the acceleration, then the time for which it accelerated is