Solid State JEE/NEET

Diamond is a

• Good thermal conductor

• Good Electrical conductor

• thermal Insulator

All polymers are

• Crystalline

• Amorphous

Dry Ice is

• CO

• CO2

• SiC

• Graphite

As temperature Increase, Conductivity of Ionic solids

• Increase

• Decrease

• Remains same

Most unsymmetrical Crystal is

• Cubic

• Triclinic

• Hexagonal

• Monoclinic

SiO2 (Silica) is ​ ​

• Amorphous

• Crystalline

• metallic

• Ionic

SiO4 (quartz) is ​ ​

• Crystalline

• amorphous

• Both

Z effective of Body Centered Cell is

• 1

• 2

• 3

• 4

Coordination Number of Simple Cubic Unit cell and Body centered cell is respectively

• 6,7

• 7,6

• 6,8

• 8,6