Solid State Practice Quiz - 1 - Class 9 MCQ

Which among the following is an example of network solid?

How many tetrahedral voids can exist per unit cell in hexagonal close packing sphere?

Example of ferromagnetic substance is

Coordination number of hcp and ccp is

Brass is an example of

What is the total number of atoms per unit cell in a face centered cubic structure?

Packing efficiency in body centered cubic structure is

Volume of unit cell occupied in face centered cubic arrangement is

Which of the following lattices has the highest packing efficiency?

Packing efficiency for simple cubic structure is

Which among the following is an example of non – polar molecule?

Silicon carbide is an example of

The process by which impurity is introduced in semiconductors to enhance its conductivity is known as

Electrical conductivity of semi conductors increases with increase in

When heated to high temperature, ferromagnetic substance changes to

The property of a substance to offer no resistance to the flow of electricity at a particular temperature is known as

At what temperature range do most of the metals become superconductors?

If the distance between Na⁺ and Cl^– ions in sodium chloride crystal is X pm, the length of the edge of the unit cell is

In cubic close packing(ccp) arrangement, the pattern of the successive layers will be designated as

Which crystal system has axial angles equal to 90^ο?

TiCl has the structure of CsCl. The coordination number of the ions in TiCl is

The radius of Cs⁺ is 169 pm and Cl^- is 181 pm. The radius ratio is_____.