In electrolysis of aluminium oxide which of the following is added to accelerate the process
When $AlCl_3·6H_2O$ is strongly heated, then it forms
Which elements of group $13$ possess both $+1$ and $+3$ oxidation state?
$H_3BO_3$ $\xrightarrow{{{T_1}}}X\xrightarrow{{{T_2}}}Y\xrightarrow{{red\,hot}}$ $B_2O_3$
if $T_1 < T_2$ then $X$ and $Y$ respectively are
In the electrolytic method of obtaining aluminium from purified bauxite, cryolite is added to the charge in order to