ECAT Chemistry Gases 1 Online Test Preparation

Photo of Maan Ali Maan AliLast Updated: April 26, 2025

ECAT Chemistry Gases Test 1

ECAT Chemistry Gases Chaper Online Test

Total Questions: 15
Time Allowed: 15 Minutes
Total Marks: 15
How to Attempt Test: Please choose the right Option in MCQ-type question.
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ECAT Chemistry Gases 1 MCQS Online Test

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1. Which of the following is NOT a postulate of Kinetic Molecular Theory?

2. What is the unit of the universal gas constant R when pressure is in Pa and volume in m³?

3. According to Boyle’s Law, when pressure increases, volume:

4. Why do gases have low density?

5. The volume of a gas increases with increase in temperature due to:

6. How do you define molar volume?

7. What is the pressure of 1 mole of ideal gas at STP?

8. Why are real gases not ideal at low temperatures?

9. Which of the following explains Charles’s Law correctly?

10. Which law describes the relationship between number of moles and volume?

11. What is the volume occupied by 1 mole of an ideal gas at STP?

12. A gas occupies 10 L at 1 atm. What will its volume be at 2 atm (assuming temperature is constant)?

13. Which law relates the volume and temperature of a gas?

14. Which of the following gases deviates most from ideal behavior?

15. The SI unit of pressure is:

16. According to kinetic theory, the motion of gas particles is:

17. What happens to gas pressure if temperature increases at constant volume?

18. Which of the following has the highest diffusion rate?

19. When temperature is held constant, what happens to the product of pressure and volume?

20. Which gas law can be used to calculate the amount of gas formed or consumed in a reaction?

21. What are the values of STP in chemistry?

22. The Ideal Gas Equation is:

23. What does the van der Waals equation correct for?

24. Which of the following statements is TRUE about real gases?

25. According to Avogadro’s Law, equal volumes of all gases at the same temperature and pressure contain:


 

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Photo of Maan Ali Maan AliLast Updated: April 26, 2025
Photo of Maan Ali

Maan Ali

Hey there! I'm Maan Ali, your online test prep pal. Join me in the adventure of acing exams with ease. I'll share tricks, practice tests, and all you need to rock your studies. Let's make learning fun and success a sure thing!
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  1. this website gives alot of wrong answers so friends never do preparation from this site, you better visit pakprep

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