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An Intiative by Sri Chaitanya
a
I-C; II-D; III-B; IV-A
b
I-D; II-C; III-B; IV-A
c
I-C; II-D; III-A; IV-B
d
I-C; II-B; III-D; IV-A
answer is B.
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Detailed Solution
In Quartz the lattice points are occupied by non metal atoms. It is a covalent solid.In dry ice the lattice points are occupied by CO2 molecules. It is a molecular solid.In Copper the lattice points are occupied by metal atoms. It is a metallic solidIn sodium chloride the lattice points are occupied by ions. It is an ionic solid