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Class 11 Chemistry: States of Matter
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MCQs on intermolecular forces, thermal energy, gaseous state, gas laws, ideal gas equation, kinetic energy and molecular speeds, kinetic molecular theory of gases, real gases behaviour, gases liquefaction and liquid state.

Class 11 Chemistry: States of Matter
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25 Questions

1. The value of a in van der Waal equation is _____________ /dependent on ___________
2. Gases ________ and occupy all the space that is available to them.
3. When a graph is drawn between the pressure and temperature of the gas it is known as _________
4. The value of b for carbon dioxide is given as 42.69 x 10-6m3/mol. What do you think is the volume of a molecule?
5. The speed of three particles is recorded as 3 m/s, 4 m/s, and 5 m/s. What is a root mean square speed of these particles?
6. PV/nRT is known as ____________
7. Which of the following assumption explains great compressibility of gases?
8. A water drop is spherical in shape due to ____________
9. Path in liquid in which layers do not meet each other is _______
10. A gas that is of 2 moles occupies a volume of about 500 ml at 300 Kelvin and 50 atmospheric pressure, calculate the compressibility factor of the gas.
11. What is the result of balancing between intermolecular forces and thermal energy?
12. Which of the following may not be a source of thermal energy?
13. Compressibility can be expressed as _______
14. At STP conditions how much volume does one mole of a gas comprise of _________
15. What is the constant in ideal gas equation known as?
16. Which of the following do you think is a correct relationship between the molar mass of gas temperature and its pressure?
17. There is a balloon filled with a gas at 26-degree centigrade and has a volume of about 2 liters when the balloon is taken to a place which is at 39-degree centigrade, what would be the volume of the gas that is inside the balloon?
18. Thermal energy is an example of __________
19. What is a term used for the conversion of solid into gas directly?
20. If the value of a is greater, what does it mean?
21. Which of the following is not a postulate of Kinetic molecular theory of gases?
22. How many moles of oxygen are present in 64 grams of oxygen?
23. If the partial pressure of oxygen is given by three bar and the partial pressure of the other gas is four bar, then what is a total pressure that is exerted?
24. What is the ratio of the velocities of 2 moles of hydrogen to five moles of helium?
25. What are the units of 'b' in van der Waals equation?

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