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1) Thermodynamic principles are applicable to:
a) Only to the bulk of matter.
b) only to an individual atom or molecule.
c) only to the bulk of matter and not to individual atom or molecule.
d) none of these.
ANSWER : only to the bulk of matter and not to individual atom or molecule.
2) A system which can exchange only energy but not matter with the
surrounding is known as:
a) closed system.
b) open system.
c) isolated system.
d) none of these.
ANSWER : closed system.
3) Intensive property is one whose:
a) value depends upon the quantity of matter present in the system.
b) value depends upon the quality of matter present in the system.
c) value does not depend upon the quantity of matter present in the system.
d) value does not depend upon the quality of matter present in the system.
ANSWER : value does not depend upon the quantity of matter present in the
system.
4) Among the following which one is a dependent variable.
a) Pressure.
b) Temperature.
c) Both a and b
d) Volume.
ANSWER : Volume.
5) State function is a property which depends upon:
a) Initial state of system.
b) Final state of system.
c) Path followed by stem.
d) Only initial and final states of system and not upon the path followed.
ANSWER : Only initial and final states of system and not upon the path
followed.
6) Which is the correct mathematical equation?
a) ?E = ?H + ?PV.
b) ?PV = ?E + ?H.
c) ?H = ?E + ?PV.
d) All of the above.
ANSWER : ?H = ?E + ?PV.
7) If the heat released in compression of gas remain inside the system then
it causes:
a) decrease in temperature of the system.
b) An increase in temperature of the system.
c) none of the above.
d) both a and b.
ANSWER : An increase in temperature of the system.
8) Which among the following is not an example of irreversible process?
a) Mixing of two gases.
b) Rusting of iron in moist air.
c) Expansion of gas in vacuum.
d) None of these.
ANSWER : None of these.
9) Which statement is not correct regarding reversible process?
a) It is imaginary process.
b) It takes infinite time.
c) Work obtained is maximum.
d) It is spontaneous.
ANSWER : It is spontaneous.
10) Why is the heat evolved in neutralization of HF is highest?
a) Due to low hydration energy of F- ion.
b) Due to high hydration energy of F- ion.
c) HF is a strong acid.
d) None of these.
ANSWER : Due to high hydration energy of F- ion.
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