Which of the following is an amphoteric oxide
Which of the following is correct
Write balanced equations for :
$(i)\,B{F_3} + LiH \to $
$(ii)\,{B_2}{H_6} + {H_2}O \to $
$(iii)\,NaH + {B_2}{H_6} \to $
$(iv)\,{H_3}B{O_3}\xrightarrow{\Delta }$
$(v)\,Al + NaOH \to $
$(vi)\,{B_2}{H_6} + N{H_3} \to $
Purification of aluminium done by electrolytic refining is known as
Which of the following oxides is acidic in nature?