TMA1 CHM301 Physical Chemistry III Question and Answers

Question 1. The change of matter from one phase into another is referred to as____?

Option

A. Phase expansion

B. Phase transition

C. Phase compression

D. Phase transfer

Answer is A. Phase expansion

Question 2. The variation of ∆rH and ∆rU with temperature is described by

Option

A. Gibbs equation

B. Helmholtz’s equation

C. Kirchhoff’s equation

D. Boyle s equation

Answer is C. Kirchhoff’s equation

Question 3. Transition temperature is the temperature at which?

Option

A. Chemical change occur

B. Workdone occur

C. Phase is in transit

D. Phase transition occur

Answer is D. Phase transition occur

Question 4. Based on the exchange of matter and energy between the system and the surrounding a system can be classified into the following except?

Option

A. Isolated system

B. Closed system

C. Open system
D. Combine system

Answer is D. Combines system
Question 5. System in which processes occur in a surrounding which is thermally insulated is referred to as?

Option

A. Adiabatic process

B. Isothermal process

C. Isolated process

D. Isolated process

Answer is A. Adiabatic process

Question 6. When a homogeneous system depend on the amount of a phase in the system that system is said to have______?

Option

A. Intensive property

B. Extensive property

C. Open property

D. Close property

Answer is B. Extensive property

Question 7. What is the behaviour of temperature in an isothermal process?

Option

A. It increase

B. It remain constant

C. It decrease

D. It is observed

Answer is B. It remain constant

Question 8. Any part of the universe which is under study is called______?

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Option

A. System

B. Institution

C. State

D. Phase

Answers is A. Systems

Question 9. An example of a thermodynamic variable is?

Option

A. Volume

B. Charge

C. Speed

D. Weigh

Answer is A. Volume

Question 10. The zeroth law of thermodynamics is based on which concept?

Option

A. Concept of the thermal stability

B. Concept of the thermal instability

C. Concept of the thermal proportionate

D. concept of the thermal equilibrium

Answer is D. Concept of the thermal equilibrium

The End

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