Identify the correct statements about Boron.I | vedclass

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(D) Boron exists as a very hard,black,non-metallic solid with a very strong crystalline lattice,which gives it an unusually high melting point.Boron i

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$I, IV$ only

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(D) Boron exists as a very hard,black,non-metallic solid with a very strong crystalline lattice,which gives it an unusually high melting point.Boron is a non-metal and is a poor conductor of electricity,whereas other members of the group are metals and conduct electricity.The density of boron is relatively low compared to other elements in the group.The $^{10}B$ isotope has a high ability to absorb neutrons,making it useful in nuclear reactors as control rods and protective shields.

List-$I$ (Compounds)	List-$II$ (Uses)
$A$. Boron-$10$	$I$. Antiseptic
$B$. Borax	$II$. Bullet proof vest
$C$. Boron-fibre	$III$. Neutron absorber
$D$. Orthoboric acid	$IV$. Heat resistance glasses

Identify the correct statements about Boron.
$I.$ It has a high melting point.
$II.$ It has a high density.
$III.$ It has high electrical conductivity.
$IV.$ The $^{10}B$ isotope of it has a high ability to absorb neutrons.

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Match the following compounds in List-$I$ with their uses in List-$II$:
List-$I$ (Compounds) List-$II$ (Uses)
$A$. Boron-$10$ $I$. Antiseptic
$B$. Borax $II$. Bullet proof vest
$C$. Boron-fibre $III$. Neutron absorber
$D$. Orthoboric acid $IV$. Heat resistance glasses

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Identify the correct statements about Boron.$I.$ It has a high melting point.$II.$ It has a high density.$III.$ It has high electrical conductivity.$IV.$ The $^{10}B$ isotope of it has a high ability to absorb neutrons.