Give uses of Borax.
Borax is used as a flux for soldering metals, Forheat, scratch and stain resistant glazed coating to earthenwares.
Taking stability as the factor, which one of the following represents correct relationship?
The molecular formula of felspar is
If $B-Cl$ bond has a dipole moment, explain why $BCl_3$ molecule has zero dipole moment.
Explain the following :
$(1)$ Gallium has higher ionisation enthalpy than aluminum.
$(2)$ Boron does not exist as $B^{3+}$ ion.
$AlF_3$ is soluble in $HF$ only in presence of $KF.$ It is due to the formation of
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