Aluminium oxide is not reduced by chemical reactions since
Aluminium oxide is reactive
Reducing agents contaminate
Aluminium oxide is highly stable
The process pollutes the environment
$B{X_3} + N{H_3}\xrightarrow{{R.T}}B{X_3}.N{H_3} + Heat\,of\,adduct\,formation\,\left( {\Delta H} \right)$ The numerical value of $\Delta H$ is found to be maximum for
Which one is a pseudo alum
Which of the following is formed when aluminium oxide and carbon is strongly heated in dry chlorine gas
In the metallurgy of aluminium, cryolite is mixed in the molten state because it
In the thermite process the reducing agent is