ECAT Pre Engineering Chemistry Chapter 3 MCQ Test With Answer for Chemistry chapter 3 (Gases)

ECAT Pre Engineering Chemistry Ch 3 Test
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Online MCQ`s Test For Chapter 3 "ECAT Chemistry Chapter 3 Gases Online Test"

Try The MCQ`s Test For Chapter 3 "ECAT Chemistry Chapter 3 Gases Online Test"

  • Total Questions30

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ECAT Chemistry Chapter 3 Gases Online Test

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Question # 1

The movement of molecules from a region of high pressure to vacuum is called :

Question # 2

Gases deviate from ideal behavior at high pressure. Which of the following is correct for non-ideality ?

Question # 3

Gases of air always remain in random motion and do not settle due to :

Question # 4

Which statement about gases is not correct ?

Question # 5

Which of the following will have the same number of molecules at STP ?

Question # 6

At constant temperature when pressure of a gas is plotted against volume, the curve is

Question # 7

Number of molecules in one dm3 of water is close to :

Question # 8

Boyle's law is represented as :

Question # 9

Gases show uniform behaviour towards their

Question # 10

Which of the following is the simplest form of matter?

Question # 11

Equal masses of methane and oxygen are mixed in an empty container at 25°CThe fraction of total pressure exerted by oxygen is :

Question # 12

The movement of gas molecules from a region of high pressure to vacuum is called

Question # 13

The highest temperature at which a substance can exist as a liquid is called its

Question # 14

The relationships between volume of a given amount of gas and the prevailing conditions of temperature and pressure are

Question # 15

Gases exert pressure on walls of container because the gas molecules :

Question # 16

The rate of diffusion of a gas is :

Question # 17

Cooling happens under the Joule Thomson Effect due to sudden

Question # 18

Absolute temperature of a gas is proportional to

Question # 19

The density of a gas is directly proportional to pressure, inversely proportional to temperature and directly proportional to

Question # 20

All gases can be compressed by

Question # 21

In Boyle's law which of the following pair remains constant

Question # 22

In Solids, the temperature is the measure of

Question # 23

According to Boyle's law. which parameters give a straight line parallel to x-axis, when we plot a graph between

Question # 24

In Boyle's law which of the following pair is variable :

Question # 25

The graph between pressure and volume at constant temperature for a gas is

Question # 26

The order of the rate of diffusion of gases NH3,SO2, CL2, and CO2 IS :

Question # 27

A graph b/w P and 1/V at constant temperature and number of moles is parallel to :

Question # 28

If absolute temperature of a gas is doubled and the pressure is reduced to one half, the volume of gas will :

Question # 29

Gases shows uniform behavior toward their :

Question # 30

Which Statement about gases is not correct?

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