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Gas Laws, Class 11 Chemistry NCERT Solutions

States of Matter Page 153 Q 5.9 Class 11 CBSE Chemistry
https://youtube.com/watch?v=22bSJN2SsTs
States of Matter Page 153 Q 5.10 Class 11 CBSE Chemistry
https://youtube.com/watch?v=bbXS2-8yy2U
States of Matter Page 153 Q 5.11 Class 11 CBSE Chemistry
https://youtube.com/watch?v=QywxUZBkS5Y
States of Matter Page 153 Q 5.12 Class 11 CBSE Chemistry
https://youtube.com/watch?v=20MnBJFqmgc

1. There will be total 20  MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying.

1. A mixture of two gases, having partial pressure p1 and p2, has total pressure p, then:

A.   p =  p1 x p2B.   1C.   2D.   p = p1 + p2
 
 
 
 

Question 1 of 20

2. The slope of plot between pV and p at constant temperature is:
 
 
 
 

Question 2 of 20

3. If the absolute temperature of V mL of a gas is doubled and the pressure reduced to one half, its new volume will be
 
 
 
 

Question 3 of 20

4. At constant temperature, the pressure of a fixed amount of gas varies inversely with its volume, is
 
 
 
 

Question 4 of 20

5. At constant pressure, the volume of a fixed mass of a gas is directly proportional to its absolute temperature, is
 
 
 
 

Question 5 of 20

6. Dalton’s law of partial pressure states that
 
 
 
 

Question 6 of 20

7. At constant volume, pressure of a fixed amount of a gas varies directly with the temperature, is
 
 
 
 

Question 7 of 20

8. The vapour pressure of water at 300 K in a closed container is 0.82 atm. If the volume of container is doubled, its vapour pressure at 300 K will be
 
 
 
 

Question 8 of 20

9. The value of universal gas constant R depends on:
 
 
 
 

Question 9 of 20

10. Equal volumes of all gases under the same conditions of temperature and pressure contain equal number of molecules, is
 
 
 
 

Question 10 of 20

11. Use of hot air balloons is an application of:
 
 
 
 

Question 11 of 20

12. A vessel contains 0.16g of methane and 0.28g of nitrogen. The ratio of partial pressures of methane to nitrogen in the mixture is about:
 
 
 
 

Question 12 of 20

13. A balloon seller filled a balloon with 2 L air when the temperature was 23.4° C. He sold the balloon at the time when temperature was recorded to 26.1°C. Volume of the balloon at this temperature is
 
 
 
 

Question 13 of 20

14. The equation which is in accordance with gas law is:

A.   1B.   2C.   3D.   4
 
 
 
 

Question 14 of 20

15. The lines obtained by plotting a graph between volume vs temperature are known as
 
 
 
 

Question 15 of 20

16. One mole of N2O4 is kept in a close container at 300K and 1 atm pressure. When it is heated to 600 K 20% of it decomposes to NO2 (g). Calculate the resultant pressure exerted on the walls of the container
 
 
 
 

Question 16 of 20

17. Which of the following reactions is possible in the given conditions?
 
 
 
 

Question 17 of 20

18. Two gases methane and oxygen are mixed in an empty container at 25°C the masses of both the gases are equal. Calculate the total pressure exerted by oxygen
 
 
 
 

Question 18 of 20

19. The density of the gas is equal to:
 
 
 
 

Question 19 of 20

20. 10 g of a gas at 273 °C has a pressure of 1 atm. The temperature at which the pressure would be half at constant volume is:
 
 
 
 

Question 20 of 20