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Punjab 11th Class Chemistry Chapter 3 Gases Mcqs Test Online

Total Question
20 Questions
Total Marks
40 Marks
Total Time
20 Minuts
Test Help For ::

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Test Name



Ch.3 # State of Matter (Gases)

Subject



Chemistry (11th Class)

Test Type



Mcqs


Punjab 11th Class Chemistry Chapter 3 Gases Mcqs Test Online

Chemistry Chapter 3 Gases Mcqs Test Online Punjab 9th Class

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Question 1 of 20

Chemistry

1. Which statement explains why the compounds propane and CO₂ diffuse at the same rate?

Question 1 of 20

Question 2 of 20

2. When steam condenses, the particles

Question 2 of 20

Question 3 of 20

3. In S.I units, the value of R is

Question 3 of 20

Question 4 of 20

4. When compressed hydrogen is allowed to expand rapidly, it causes

Question 4 of 20

Question 5 of 20

5. When a large beaker full of N₂ is inverted over a porous pot containing Com the water level in the specified apparatus does not change. What is the reason for this:

Question 5 of 20

Question 6 of 20

6. Which gas is more ideal at S.T.P.

Question 6 of 20

Question 7 of 20

7. 760 torr are equal to Pascal.

Question 7 of 20

Question 8 of 20

8. One heating direct conversion of solid in to gas is called

Question 8 of 20

Question 9 of 20

9. According to Kinetic Molecular theory K.E of Molecules increase when they

Question 9 of 20

Question 10 of 20

10. Which of the following is an example of diffusion?

Question 10 of 20

Question 11 of 20

11. According to Graham’s Law of diffusion, the rate of diffusion of H₂ and O₂ has the ratio

Question 11 of 20

Question 12 of 20

12. Deep sea diver’s tank contains

Question 12 of 20

Question 13 of 20

13. Which of the following gases has the lowest density under room conditions

Question 13 of 20

Question 14 of 20

14. What volume of gas would one mole of hydrogen occupy at S.T.P?

Question 14 of 20

Question 15 of 20

15. Which statement provides the best evidence that matter may exist as tiny particles moving at “random motion”.

Question 15 of 20

Question 16 of 20

16. The number of molecules of 4 g H₂ are _________ number of molecules of 56 g of N₂.

Question 16 of 20

Question 17 of 20

17. According to the kinetic theory of gases, the molecular collisions are elastic. Such collisions cause

Question 17 of 20

Question 18 of 20

18. In which of the following are the particles the most disordered.

Question 18 of 20

Question 19 of 20

19. The particles of a gas can be described as

Question 19 of 20

Question 20 of 20

Abbreviations

20. Which of these changes would speed up the rate of diffusion the most.
NoMass of ParticleTemperature of Surroundings
ADecreaseDecrease
BDecreaseIncrease
CIncreaseIncrease
DIncreaseDecrease

Question 20 of 20


 

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