Which of the following is responsible for cleansing action of Borax
Colour of the bead in borax bead test is mainly due to the formation of
Borax is converted into crystalline boron by the following steps
${B{orax}}\xrightarrow{X}{H_3}B{O_3}\xrightarrow{\Delta }{B_2}{O_3}\xrightarrow[\Delta ]{Y}B$,
$X$ and $Y$ are respectively
If $B-Cl$ bond has a dipole moment, explain why $BCl_3$, molecule has zero dipole moment.
For purification of alumina, the modern processes most useful when $(i)$ the impurity present is a lot of iron oxides and $(ii)$ the impurity present is a lot of silica, are