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Thermodynamics MCQ Question with Answer

Thermodynamics MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 1

In a thermal decomposition reaction, sign of H may be...

positive   
negative
No sign
positive or negative.

Question No : 2
The total heat content of a system is known as....

Enthalpy
Thermal Energy
Entropy
Activation Energy

Question No : 3
In reaction Cs+O2gCO2g H=-94.3 K cal mol-1

HP < HR
HP > HR
2HP = 3HR
HP = HR

Question No : 4
The heat of neutralisation of a strong acid and a strong base is equal to......................K.Cal gm eq-1

27.3
31.7
15.7
13.7

Question No : 5
Internal energy of the elements is assigned a value of................................cal per mole at standard states.

5
9
99
0

Question No : 6
The apparatus used for measuring the heat changes is known as ...

Thermometer
Ammeter
Voltameter
Calorimeter

Question No : 7
The highest temperature at which vapour pressure of a liquid can be measured is..

the boiling point of the liquid
critical solution temperature
ionisation temperature
inversion temperature

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