Aluminium vessels should not be washed with materials containing washing soda since
Washing soda is expensive
Washing soda is easily decomposed
Washing soda reacts with aluminium to form soluble aluminate
Washing soda reacts with aluminium to form insoluble aluminium oxide
Borax on heating strongly above its melting point melts to a liquid, then solidifies to a transparent mass commonly known as Borax Bead. The transparent glassy mass consists of :
Explain what happens when boric acid is heated.
Give uses of $LiBH_4$ and $NaBH_4$.
Give physical and chemical properties of Orthoboric acid $(H_3BO_3)$.
Outermost electronic configuration of a group $13$ element, $E$, is $4 \,\mathrm{~s}^{2}, 4 p^{1}$. The electronic configuration of an element of $p$-block period-five placed diagonally to element, $E$ is :