MCQs 1 on Chapter 5 (States of Matter) 11th Class

These are MCQs 1 on Chapter 5 (States of Matter) for 11th Class. Practice MCQs to check your knowledge for Entrancne cne examination like CBSE NEET etc

1. Kinetic energy of molecules is highest in

• Gases
• Liquids
• Solids
• Solutions

2. Torr is a unit of

• Temperature
• Volume
• Pressure
• Viscosity

3. Pressure of a gas in a vessel can be measured by

• Barometer
• Manometer
• Stalgometer
• All The Above

4. The product of pressure and volume (PV) has a unit of

• Impulse
• Energy or work
• Entropy
• Force

5. At a constant pressure, what should be the percentage increase in the temperature in kelvin for a 10% increase in the volume

• 10%
• 20%
• 5%
• 50%

6. The molar mass of an ideal gas can be calculated from the expression

• M = dRT/PV
• M = RT/Pd
• M = Pd/RT
• M = dRT/P

7. The partial pressure of a dry gas is

• less than that of wet gas
• greater than that of wet gas
• equal to that of wet gas
• none of these

8. Average K.E. of CO₂ at 27⁰ is E. The average kinetic energy of N₂ at the same temperature will be

• E
• 22E
• E/22
• E(2)^1/2

9. The temperature at which the avergae speed of the gas molecules is double to that at a temperature of 27^oC is

• 54^oC
• 108^oC
• 327^oC
• 927^oC

10. Collision frequency (Z) of a gas at a particular pressure

• Decreases with the rise in temperature
• Increases with the rise in temperature
• Decreases initially and thereafter increase
• Unpredictable

MCQs 1 on Chapter 5 (States of Matter) =>

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