Which of the following is an amphoteric oxide
$MgO$
$A{l_2}{O_3}$
$C{l_2}{O_7}$
$T{i_2}{O_2}$
Give chemical properties of elements of group $-13$.
Colour of the bead in borax bead test is mainly due to the formation of
For compound having the formula $GaAlCl _4$, the correct option from the following is
Which one of the following is the correct statement ?
Which one of the following elements is unable to form $MF_{6}^{3-}$ ion?