NUMS 2020 PAPER

NUMS 2020 ( PART 8 )

1. Upon which factor vapor pressure is independent :

 
 
 
 

2. Solid water is expanded _____ times when it is compared with same volume of liquid water :

 
 
 
 

3. Molar heat of vaporization is the amount of heat required to convert ono mole of:

 
 
 
 

4. At transition temperature of crystalline solid, substance exists:

 
 
 
 

5. Some substances lack definite heats of fusion. These substances are:

 
 
 
 

6. Thermal conductivity of metals is due to:

 
 
 
 

7. Ice floats on the surface of water due to:

 
 
 
 

8. When number of moles of reactants and products are equal in reversible reactions, which parameter would not affect at equilibrium

 
 
 
 

9. By which of the following factors equilibrium state is attained earlier

 
 
 
 

10. Many elements have fractional atomic masses. This is because:

 
 
 
 

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