Examination Paper

I hope that you will remember that we discussed the way of answering multiple choices questions in our lecture on 13-11-2016. The following attachment includes many questions related to the subjects that we were discussed in our previous lectures. I want you to read them carefully and try to get answers for them.
An example of these questions is as follow:
Choose the one alternative that best completes the statement or answers the question.
1) Which of the following is a reversible process?
A) melting of ice at 0C and 1 atm
B) melting of ice at 25C and 1 atm
C) evaporation of water at 25C and 1 atm
D) freezing of water at -10C and 1 atm
E) freezing of water at -25C and 1 atm


2- Which of the following statements about the entropy of a system is NOT correct?
A) It is a measure of the disorder of the system.
B) It will increase or remain the same if the system has no external changes.
C) It is the same as the energy of the system.
D) It can be decreased if energy is added to the system.
E) It can be increased without changing the temperature of the system.

3) What can be said about a chemical system that has reached a minimum in free energy?
A) The reaction is complete.
B) The system entropy is zero.
C) The system has achieved equilibrium.
D) The temperature is OK.
E) The reaction is very fast.