Thermochemistry UPSC Questions

Chemistry

Thermochemistry MCQ Questions


13.
Open system is _______________ and matter between system and surroundings.
A.
Exchange of Money
B.
Exchange of Energy
C.
Chemical Energy
D.
Electrical Energy
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ANSWER :
B. Exchange of Energy
14.
Closed system no exchange of matter but _______________between system and the surroundings.
A.
Exchange of Energy is Possible
B.
Exchange of Energy is Impossible
C.
Electrical Energy
D.
Exchange of Money
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ANSWER :
A. Exchange of Energy is Possible
15.
Isolated system presence of reactants in a ___________ or any other closed insulated vessel is an example of an isolated system.
A.
Acid
B.
Carbon Flask
C.
Mono Flask
D.
Thermos Flask
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ANSWER :
D. Thermos Flask
16.

What is the full form of (P)(V)(T ) of the system?
(i)Pressure Volume Temperature
(ii)Pete Versus Toby
(iii)Primary Validation Test

A.

Option iii

B.

Option i

C.

Option ii

D.

None of these

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ANSWER :

B. Option i

17.
The ___________________ system is described by its measurable or macroscopic (bulk) properties.
A.
Radiation
B.
Temperature
C.
State of a Thermodynamic
D.
Isolation
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ANSWER :
C. State of a Thermodynamic
18.
What are known as measurable or macroscopic properties?
A.
Short Properties
B.
Large Properties
C.
Small Properties
D.
Bulk Properties
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ANSWER :
D. Bulk Properties