Entry Test MCQ :: ThermoChemistry
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11. |
Mathematical form of first law of thermodynamics is |
A. |
?H=qp |
B. |
?E = q + W |
C. |
?E = q x v |
D. |
all of the above |
Answer: Option B
Explanation:
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12. |
Reaction in which heat evolves is called |
A. |
endothermic |
B. |
spontaneous |
C. |
non-spontaneous |
D. |
exothermic |
Answer: Option D
Explanation:
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13. |
CuSO4 + Zn?ZnSO4+Cu is |
A. |
Spontaneous reaction |
B. |
Non-spontaneous reaction |
C. |
Endothermic |
D. |
Exothermic |
Answer: Option A
Explanation:
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14. |
Pumping of water uphill is |
A. |
spontaneous process |
B. |
non-spontaneous process |
C. |
irreversible process |
D. |
reversible process |
Answer: Option B
Explanation:
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15. |
State function the macroscopic property of system depends upon |
A. |
path of reaction |
B. |
initial state |
C. |
final state |
D. |
initial and final state |
Answer: Option D
Explanation:
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16. |
Which one of the following is a state function? |
A. |
pressure |
B. |
temperature |
C. |
enthalpy |
D. |
all of the above |
Answer: Option D
Explanation:
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17. |
When enthalpy of reactants is higher than product then reaction will be |
A. |
endothermic |
B. |
spontaneous |
C. |
non-spontaneous |
D. |
exothermic |
Answer: Option D
Explanation:
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18. |
Enthalpy of a reaction can be measured by |
A. |
glass calorimeter |
B. |
manometer |
C. |
Barometer |
D. |
thermometer |
Answer: Option A
Explanation:
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19. |
Enthalpy of combustion for food fuel and other compounds can be measured accurately by |
A. |
glass calorimeter |
B. |
bomb calorimeter |
C. |
thermometer |
D. |
manometer |
Answer: Option B
Explanation:
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20. |
The attice energy of NaCl is |
A. |
?787 KJ/mole |
B. |
787 J/mole |
C. |
780 KJ/mole |
D. |
790 KJ/mole |
Answer: Option A
Explanation:
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