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10.  Internal energy change of a system over one complete cycle in a cyclic process  A.  dependent on the path B.  -ye C.  +ve D.  zero Ans: D

9.  Solubility of a substance which dissolves with an increase in volume and liberation of heat vi1l be favoured by the  A.  low pressure and high temperature B.  high pressure and low temperature C.  low pressure and low temperature D.  high pressure and high temperature Ans: C

8. What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor?  A.  1 B.  2 C.  3 D.  4 Ans: B

7. Heating of water under atmospheric pressure is an ________ process  A.  isobaric B.  adiabatic C.    isochoric D.    isothermal Ans: A

6. Entropy is a measure of the _________ of a system  A.  orderly behaviour B.  disorder C.  temperature changes only D.  none of these Ans: B

5.  The free energy change for a chemical reaction is given by (where, K = equilibrium constant)  A.  RTInK B.  T1nK C.  -RTlnK D.  - R inK Ans: C

4.  Work done is a  A.  property of the system B.  path function C.  point function / D.  state description of a systeni X Ans: C