Mention isotops of boron.
Boron has two isotops : $(i)$ ${ }^{10} \mathrm{~B}(19 \%)$ and $(ii)$ ${ }^{11} \mathrm{~B}(81 \%)$
Which of the following cation can not give borax bead test ?
Which of the following is formed when aluminium oxide and carbon is strongly heated in dry chlorine gas
Give uses of $LiBH_4$ and $NaBH_4$.
Which metal is protected by a layer of its own oxide
An element $A$ dissolves both in acid and alkali. It is an example of
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