The rate of diffusion is :

1. Faster in solids than in liquids and gases

2. Faster in liquids than in solids and gases

3. Equal to solids, liquids, and gases

4. Faster in gases than in liquids and solids

Subtopic:  Ideal Gas Equation |
 88%
From NCERT
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Two thermally insulated vessels 1 and 2 are filled with air at temperatures T1, T2, volume V1, V2 and pressure P1, P2 respectively. If the valve joining the two vessels is opened, the temperature inside the vessel at equilibrium will be

1. T1+T2                               

2. T1+T2/2

3. T1T2P1V1+P2V2P1V1T2+P2V2T1                 

4. T1T2P1V1+P2V2P1V1T2+P2V2T2

Subtopic:  Ideal Gas Equation |
 76%
From NCERT
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For matter to exist simultaneously in gas and liquid phases :

1. The temperature must be 0 K.

2. The temperature must be less than 0°C.

3. The temperature must be less than the critical temperature.

4. The temperature must be less than the reduced temperature.

Subtopic:  Ideal Gas Equation |
 80%
From NCERT
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The value of critical temperature in terms of Vander Waal’s constant a and b is

1. Tc=8 a27 Rb                           

2. Tc=a2 Rb

3. Tc=827 Rb                             

4. Tc=27 a8 Rb

Subtopic:  Ideal Gas Equation |
 82%
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In Vander Waal’s equation, a and b represent P+aV2v-b=RT

1. Both a and b represent correction in volume

2. Both a and b represent adhesive force between molecules

3. a represents adhesive force between molecules and b correction in volume

4. a represents correction in volume and b represents adhesive force between molecules

Subtopic:  Ideal Gas Equation |
 80%
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At 0°C the density of a fixed mass of a gas divided by pressure is x. At 100°C, the ratio will be:

1. x                                   

2. 273373x

3. 373273x                           

4. 100273x

Subtopic:  Ideal Gas Equation |
 74%
From NCERT
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At what temperature volume of an ideal gas at 0°C becomes triple keeping the pressure constant :

1. 546°C                                 

2. 182°C

3. 819°C                                 

4. 646°C

Subtopic:  Ideal Gas Equation |
 73%
From NCERT
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If an ideal gas has volume V at 27°C and it is heated at a constant pressure so that its volume becomes 1.5V. Then the value of final temperature will be

1. 600°C                             

2. 177°C

3. 817°C                             

4. None of these

Subtopic:  Ideal Gas Equation |
 85%
From NCERT
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A tyre kept outside in sunlight bursts off after sometime because of :

1. Increase in pressure                                 

2. Increases in volume

3. Both (a) and (b)                                       

4. None of these

Subtopic:  Ideal Gas Equation |
 58%
From NCERT
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In Boyle's law what remains constant :

1. PV                                     

2. TV

3. VT                                     

4. PT

Subtopic:  Ideal Gas Equation |
 91%
From NCERT
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