1st Year Chemistry MCQs Chapter No.3 Gases Online Exams

Chemistry MCQs 1st Year Chapter No.3 Gases, FSc, First Year Multiple Choice Questions, Medical College ( MDCAT ) , ECAT & University Admission Entry Test Exams Online Preparation, Chapter Wise Question Answers Notes in Pdf, Old Board Papers reference with Each Question, All Queries accommodated within 24 Hours. Click here to Contact us for any Query/Question regarding Exams.

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Book Name :  Chemistry
Chapter No. 03
Chapter Name : Gases 
Total MCQ from Text Book :  41
Book Version  :

Published By : Punjab Text Book Board Lahore
Approved By : Govt of the Punjab and Federal Ministry for Education
Test Type : MCQ’s
Exam conduct By : Inter Boards of Sindh, KPK, Balochistan, AJK, Gilgit Baltistan, Punjab & Federal
Class / Grade  : 11 ( F.Sc. Intermediate)
Total Marks : 41
Total Time :41 minutes



1 / 41

This gas cannot be liquified by Linde's method:

2 / 41

1 dm3 of H2 has number of molecules:

3 / 41

The solid particles possess:

4 / 41

The order of the rate of diffusion of gases NH3, SO2, Cl2 and CO2 is:

5 / 41

The least value of van der Waal's constant is of:

6 / 41

The molar volume of CO2 is maximum at:

7 / 41

Values of van der Waal's constant 'h' in correct order is:

8 / 41

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

9 / 41

Which of the following shows maximum ideal behaviour under same conditions?

10 / 41

The rate of diffusion of a gas of molar mass 32 as compared of H2 will be

11 / 41

Plasma is difficult to maintain at:

12 / 41

SI unit of R is:

13 / 41

The deviation of a gas from ideal behaviour is maximum at:

14 / 41

The rate of diffusion is higher in

15 / 41

Which of the following gas has maximun rate of diffusion?

16 / 41

In sea, a sea diver after every 100 feet depth experiences a pressure of approximately:

17 / 41

-40°C is equal to:

18 / 41

P1V1 = P2 V2 represents:

19 / 41

The difference of partial pressure of oxygen in air and lungs is:

20 / 41

SI unit of van der Waal's constant 'b' is:

21 / 41

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

22 / 41

The density of a as is 6 times than that of gas 'y'. If molecular mass of X is M, then molecular mass of Y is:

23 / 41

How should the conditions be changed to prevent the volume of a given gas from, expanding when its mass is increased?

24 / 41

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

25 / 41

1 Pascal is equal to:

26 / 41

Boyle's law is represented as:

27 / 41

What will be the pressure of a gas when it expands three times, the gas was at 3 atm, pressure?

28 / 41

The sum of mole fraction of gases in a mixture of gases is

29 / 41

Critical temperature of CO2 is:

30 / 41

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

31 / 41

A real gas obeying van der waal's equation will resemble ideal gas, if

32 / 41

Kinetic molecular theory was put forward by

33 / 41

Pressure remaining constant at which temperature the volume of a gas will become twice of what it is at 0°C:

34 / 41

Which of the following is correct?

35 / 41

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

36 / 41

SI unit of van der Waal's constant 'a' is:

37 / 41

Ek is equal to:

38 / 41

If we decrease temperature of a gas two times then volume of gas will:

39 / 41

Absolute zero is :

40 / 41

Critical temperature of NH3 is:

41 / 41

It is a brown coloured gas:

Your score is

The average score is 38%


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