Which of the following oxides is acidic in nature?
$B_2O_3$
$Ga_2O_3$
$Al_2O_3$
$In_2O_3$
When $B_2H_6 + NH_3(excess)$ at very high temperature $(> 200\,^oC$) is formed
Which of the following statements about the interstitial compounds is incorrect?
Which of the following is responsible for cleansing action of Borax
$Al$ having double conductivity as compared to which metal ?
Give uses of Borax.