NCERT NEET Chemistry Thermodynamics MCQs,PDFs,Tests,Quizzes

# Thermodynamics Mock Test-1

Question No:1
In thermodynamics, the meaning of universe is

(a) only system.
(b) only surroundings.
(c) both system and surroundings.
(d) None of the above

Question No:2
An isolated system is that in which

(a) there is no exchange of energy with surroundings.
(b) there is no exchange of mass.
(c) there is exchange of mass or energy with the surroundings.
(d) there is no exchange of mass or energy with the surroundings.

Question No:3

(a) energy changes Involved In a chemical reaction.
(b) the extent to which a chemical reaction process.
(c) the kinetics of which reaction process.
(d) the feasibility of a chemical reaction.

Question No:4
Human body is an example of

(a) Open system.
(b) Isolated system.
(c) Closed system.
(d) None of these.

Question No:5
Choose the Incorrect statement.

(a) System and surroundings are always separated by a real or imaginary boundary.
(b) In reversible process, energy exchange in each seep can be reversed
(c) Perfectly isolated system can never be created.
(d) The presence of reactants in a thermos flask or any other closed Insulated vessel is not an example of Isolated system

Question No:6
Which of the following is a closed system?

(b) Pressure cooker
(c) A cup of coffee
(d) Living things

Question No:7
In thermodynamics, a process is called reversible when

(a) System and surroundings change Into each other.
(b) There Is no real boundary between system and surroundings.
(c) The surrounding is always in equilibrium with the system.
(d) The system changes into surroundings spontaneously.

Question No:8
Which of the following statements is false?

(a) Work is a state function.
(b) Temperature is a state function.
(c) Change in state is completely defined when the initial and final states are specified.
(d) Work appears at the boundary of the system.

Question No:9
Which of the following are not state functions?

(a) q + w
(b) q
(c) w
(d) H – TS

Question No:10
Which is an extensive property of the system?

(a) Volume
(b) Temperature
(c) Refractive index
(d) Density

Question No:11
Identify the intensive property from the following?

(a) Volume
(b) Entropy
(c) Enthalpy
(d) Temperature

Question No:12
Which one of the following statement is false?

(a) Work is a state function.
(b) Temperature is also a state function.
(c) Change in the state is completely defined when the initial and final states are specified.
(d) None of the above.

Question No:13
A system is changed from state A to state B by one path and from B to A by another path. If ΔU1 and ΔU 2 are the corresponding changes In Internal energy then

(a) ΔU1 + ΔU 2 =+ve
(b) ΔU 1 + ΔU 2 = -ve
(c) ΔU 1 + ΔU 2 – 0
(d) None of the above

Question No:14
Which are extensive properties?
(a)V and E
(b) V and T
(c) V and C P
(d) P and T

Question No:15
Which of following Is/are state function?

(a) q
(b) q – w
(c)$\frac{q}{w}$
(d) q + w