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Chapter No 7 :First Law of Thermodynamics - Basic Concepts (100 MCQ`S)

This chapter include mcqs on First Law of Thermodynamics with answers & relevant explanation for the preparation of NEET exams, PSC exams, First Law of Thermodynamics Practice Test with answers & relevant explanation,First Law of Thermodynamics Important Questions With Answers for the Preparation of public service commission exam, MCQ on First Law of Thermodynamics with Answers PDF.

  1. The study of flow of heat or any other form of energy into or out of a system when it undergoes a physical or chemical change is called:
    1. thermochemistry
    2. thermodynamics
    3. thermochemical studies
    4. thermokinetics
      5. Show Answer
      Answer: B
      Explanation:
      • N/A
  2. Which law can be derived from the laws of thermodynamics?
    1. Van't Hoff law of lowering of vapour pressure
    2. Phase rule
    3. distribution law
    4. all of these
      5. Show Answer
      Answer: D
      Explanation:
      • Most of the important laws of physical chemistry can be derived from the laws of thermodynamics.
  3. Thermodynamics is applicable to:
    1. macroscopic systems only
    2. microscopic systems only
    3. homogneous systems only
    4. all of these
      5. Show Answer
      Answer: A
      Explanation:
      • N/A
  4. Which statement is not correct regarding thermodynamics?
    1. It involves the matter in bulk
    2. it is applicable to microscopic syestems
    3. it ignores the internal structure of atoms and molecules
    4. it is concerned only with the initial and final states of the system
      5. Show Answer
      Answer: B
      Explanation:
      • N/A
  5. Which statement represents the limitation of thermodynamics?
    1. It is applicable to macroscopic systems only
    2. it does not tell anything about the rate of a physical or chemical change
    3. it does not bother about the time factor
    4. all of these
      5. Show Answer
      Answer: D
      Explanation:
      • N/A
  6. A system that can transfer neither matter nor energy with its surroundings is called:
    1. closed system
    2. open system
    3. isolated system
    4. homogeneous system
      5. Show Answer
      Answer: C
      Explanation:
      • N/A
  7. A closed system cannot transer ------ to and from its surroundings:
    1. heat
    2. matter
    3. work
    4. all of these
      5. Show Answer
      Answer: B
      Explanation:
      • N/A
  8. A system that can transfer both matter and energy from its surroundings is called:
    1. closed system
    2. open system
    3. isolated system
    4. homogeneous system
      5. Show Answer
      Answer: B
      Explanation:
      • N/A
  9. A thermos flask containing hot water is an example of:
    1. closed system
    2. open system
    3. isolated system
    4. homogeneous system
      5. Show Answer
      Answer: C
      Explanation:
      • N/A
  10. A closed system can transer ------ to and from its surroundings:
    1. heat
    2. work
    3. radiations
    4. all of these
      5. Show Answer
      Answer: D
      Explanation:
      • N/A

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