Question 51 : The liquids that have stronger intermolecular attraction have ______ viscosity:
1. Greater
2. Lesser
3.
4.
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Question 52 : Capillary action of a liquid is due to?
1. Surface tension
2. Vapour pressure
3. Viscosity
4. Pressure
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Question 53 : Viscosity___ with rise in temperature:
1. None of the above
2. Increases
3. Decreases
4. Remain same
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Question 54 : Force per unit length is called?
1. Pressure
2. Surface tension
3. Density
4. Viscosity
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Question 55 : The deviation of gases from ideal behavior is due to one of the following reason?
1. No force of attraction between the molecules of gases.
2. Sufficient attractive forces among the molecule.
3. Negligible volume of gas molecules.
4. Low pressure and high temperature..
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Question 56 : Viscosity is expressed in?
1. Pascal's
2. Poises
3. atm
4. Nm^-2
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Question 57 : The actual pressure on the walls of the container for ideal gas is always less than observed pressure. This is due to the reason that?
1. Collisions are random
2. No attractive forces between the molecules
3. Collisions are perfectly elastic
4. Molecules of gas attracts each other
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Question 58 : The pressure of moist gas is equal to?
1. Sum of the pressure of dry gas and water vapour
2. None of the above
3. Pressure of dry gas
4. Pressure of water vapours
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Question 59 : Rate of diffusion of CO & N2 are same at room temperature because?
1. Both are di atomic molecules
2. Both have Tone pair in them
3. Both have same molecular masses
4. Both have multiple bonds
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Question 60 : H2 is prepared in the laboratory and is collected over water. The pressure of the gas is 745 ton. The pressure of water vapour is 24torr. The pressure of the dry gas is?
1. 721 torr
2. 760 torr
3. 745 torr
4. 766 torr
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