Thermodynamics JEE Mains Questions. We covered all the Thermodynamics JEE Mains Questions in this post for free so that you can practice well for the exam.
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Thermodynamics JEE Mains Objective Questions for Students
When a gas undergoes adiabatic expansion, it gets cooled due to
(A) Loss of kinetic energy
(B) Fall in temperature
(C) Increase in temperature
Option b – Fall in temperature
The heat content of a system is
(A) Internal energy
(B) Entropy
(C) Intrinic energy
(D) Enthaply
Option d – Enthaply
When 2 moles of an ideal gas are expanded isothermally and reversibly from 1 dM³ to 10dM³ at 27°C. The enthalpy change is
(A) 4.8 kJ
(B) 11.4 kJ
(C) -11.4 kJ
(D) 0 kJ
Option d – 0 kJ
Two moles of an ideal gas expand spontaneously in a vacuum. The work done is
(A) 2 J
(B) 4 J
(C) 0 J
(D) Infinite
Option c – 0 J
Which is not a state function?
(A) Internal energy
(B) Entropy
(C) Heat
(D) Free energy
Option c – Heat
The heat absorbed at a constant volume is nothing but
(A) Entropy
(B) Enthalpy
(C) Internal energy
(D) Cp
Option c – Internal energy
Which may be a positive or negative value?
(A) The heat of combustion
(B) Heat of formation.
(C) The heat of neutralization.
(D) Heat of dissociation
Option b – Heat of formation
The addition of a catalyst during a chemical reaction alters which of the following quantities?
(A) Internal energy
(B) Enthalpy
(C) Activation of energy
(D) Entropy
Option c – Activation of energy
We covered all the thermodynamics jee mains questions above in this post for free so that you can practice well for the exam.
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