Entry Test MCQ :: ThermoChemistry
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1. |
Which one is not state function |
A. |
Internal energy |
B. |
Enthalpy |
C. |
Gibbs free energy |
D. |
Work |
Answer: Option D
Explanation:
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2. |
If ?H value is less than zero than reaction will be |
A. |
Exothermic |
B. |
Endothermic |
C. |
May or may not be Exothormic or Endothermic |
D. |
None of these |
Answer: Option A
Explanation:
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3. |
If internal energy of the system is increased |
A. |
Change in state of the system is increased |
B. |
Temperature of the ystem may rise |
C. |
Chemical reaction may take place |
D. |
All |
Answer: Option D
Explanation:
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4. |
Which is true for a spontaneous endothermic process? |
Answer: Option B
Explanation:
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5. |
A reaction has values of ?H and ?S which are both positive. The reaction |
A. |
Is spontaneous |
B. |
Spontaneity is temperature dependent |
C. |
Has an increasing free energy |
D. |
Is non-spontaneous |
Answer: Option D
Explanation:
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6. |
________________ is study about energy of a chemical system |
A. |
thermochemistry |
B. |
thermodynamics |
C. |
chemical kinetics |
D. |
stoichiometry |
Answer: Option A
Explanation:
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7. |
The environment in which a system is studied is |
A. |
State function |
B. |
phase |
C. |
surrounding |
D. |
state |
Answer: Option C
Explanation:
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8. |
Unit of heat in SI system is |
Answer: Option A
Explanation:
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9. |
Anything which depends upon initial and final state of a system is |
A. |
environment |
B. |
surrounding |
C. |
state function |
D. |
enthalpy |
Answer: Option C
Explanation:
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10. |
Total energy of a system is |
A. |
P.E + K.E |
B. |
P.E + heat energy |
C. |
K.E + heat energy |
D. |
P.E + mechanical energy |
Answer: Option A
Explanation:
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