Thermodynamics JEE Mains Questions

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    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

    Quick Quiz

    When a gas undergoes adiabatic expansion, it gets cooled due to

    (A) Loss of kinetic energy

    (B) Fall in temperature

    (C) Increase in temperature

    (D) Energy used to do work.

    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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