A solid is hard and brittle. It is an insulator in solid state, but conducts electricity in molten state. The solid is a

Classify the following molecular solid into different types:

${\mathrm{CO}}_2$

Classify the following molecular solid into different types:

$\mathrm{HCl}$

Match the following

        List - I                                      List-II
A) Metallic solid                         I) Carbon tetrachloride
B) Covalent solid                       II) Calcium fluoride
C) Molecular solid                     III) Copper
D) Ionic solid                             IV) Silicon carbide
                                                   V) Glass

The correct answer is