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Principles of Physical Chemistry I

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Arithmetic mean of different velocities of molecules is

a)

most probable velocity

b)

average velocity

c)

root mean square velocity

2.

Number of molecular collisions occurring per unit time per unit volume of a gas is

a)

collision number

b)

collision frequency

c)

collision diameter

3.

Mean distance traveled by a gas molecule between two successive collisions is

a)

Mean free path

b)

collision diameter

c)

collision number

4.

Deviation of real gases from ideal behavior is given by

a)

compressibility factor

b)

Vant Hoff factor

c)

ideal gas equation

5.

Gases deviate from ideality at

a)

High pressure and low temperature

b)

Low pressure and high temperature

c)

same pressure and temperature

d)

Never show deviation

6.

Intersection of two adjacent faces will give

a)

an Edge

b)

a form

c)

a Zone

7.

Sodium Chloride is

a)

Cubic

b)

Tetragonal

c)

Tetrahedral

d)

hexagonal

8.

Potassium chloride is

a)

FCC

b)

BCC

c)

Simple Cubic

9.

Frenkel defect is

a)

Stoichiometric defect

b)

Non Stoichiometric defect

c)

Line Defect

10.

FeS is als known as

a)

fool's gold

b)

F centre

c)

Wurtzite