The most abundant metal in the earth crust is
$Al$
$Ca$
$Fe$
$Na$
(a) $Al$ is the most abundant metal in the earth crust.
If $B-Cl$ bond has a dipole moment, explain why $BCl_3$, molecule has zero dipole moment.
Choose the Incorrect statement/ reaction
Which one of the following is correct statement
Maximum number of atoms which are present in one plane of $H_3BO_3$?
Give uses of $LiBH_4$ and $NaBH_4$.
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