1. At constant temperature and pressure the volume of a gas is directly proportional to the number of molecule. This law had been given by

1. 1. Boyle

   
   
   

   2. Charle

   
   
   

   3. Avogadro

   
   
   

   4. None

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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2. Which one is lesser than dry air in weight ?

1. 1. O₂

   
   
   

   2. H₂

   
   
   

   3. Moist air

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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3. The ratio of rate diffusion of oxygen and hydrogen is

1. 1. 1 : 4

   
   
   

   2. 1 : 1

   
   
   

   3. 1 : 2

   
   
   

   4. 2 : 2

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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4. The law of diffusion of gases had been given by

1. 1. Boyle

   
   
   

   2. Avogadro

   
   
   

   3. Grahm

   
   
   

   4. None

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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5. Absolute zero is the temperature where all gases are expected to have

1. 1. difference volumes

   
   
   

   2. same volume

   
   
   

   3. zero volume

   
   
   

   4. none of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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