Thermodynamics System in Hindi

Thermodynamics System in Hindi. We covered all the Thermodynamics System in Hindi in this post for free so that you can practice well for the exam.

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Thermodynamics System Objective in Hindi for Students

Enthalpies of all elements of their standard states are

(A) Unity

(B) Zero

(C) <0

(D) Different for each element

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Enthalpy change of a reaction does not depend on

(A) States of reactants and products.

(B) Nature of reactants and products.

(C) Different intermediate steps

(D) Initial and final enthalpy change of the reaction.

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Standard enthalpy of combustion is always

(A) >0

(B) ≥ 0

(C) ≤ 0

(D) < 0

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A gas occupies 3 liters at STP. It is provided with 300 J heat so that its volume becomes 3.5 liters at 2 atm. Calculate the change in its internal energy.

(A) 249.35 J

(B) -350.65 J

(C) 46.75 J

(D) 198.7 J

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A system that can exchange energy but not matter with its surrounding is known as

(A) Open system

(B) Closed system

(C) Heterogeneous system

(D) Isolated system

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The enthalpy of vapourization is

(A) Negative

(B) Positive

(C) Negative or positive

(D) Zero

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Which is correct is an adiabatic process

(A) Heat absorbed from the surrounding is used for doing the work

(B) Temperature decreases during compression

(C) Work is done due to loss of internal energy

(D) Internal energy increases during expansion

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We covered all the thermodynamics system in Hindi above in this post for free so that you can practice well for the exam.

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