Quiz  /  Entropy Class 10 MCQ Questions With Answers

  • 1. 
    If a chemical reaction is EXOTHERMIC, the temperature would....

  • Stay the same
  • Increase
  • Decrease

  • 2. 
    Baking bread and cooking an egg are examples of....?

  • Endothermic processes
  • Exothermic processess
  • None of these

  • 3. 
    Condensation and raining are examples of what?

  • Exothermic
  • Endothermic

  • 4. 
    Entropy of Liquid is greater than that of Solid.

  • Trulala
  • Falsemama
  • It will not change. So... none of the above.

  • 5. 
    Is photosynthesis an exothermic or endothermic reaction?

  • Endothermic
  • Exothermic
  • Neither

  • 6. 
    Entropy of Gases is greater than that of Solid.

  • Trulala
  • Falsemama
  • It will not change. So... none of the above.

  • 7. 
    Entropy of Solid is greater than that of Gases.

  • Trulala
  • Falsemama
  • It will not change. So... none of the above.

  • 8. 
    Reaction of oxygen with hydrogen: 02 (g) + 2H2 ------> 2H20 + Energy

  • endothermic
  • exothermic

  • 9. 
    Given the change of phase: CO2(g) —> CO2(s) As CO2(g) changes to CO2(s), the entropy of the system

  • decreases
  • increases
  • remains the same

  • 10. 
    If Ice melts, its entropy increases.

  • Trulala
  • Falsemama
  • It will not change. So... none of the above.

  • 11. 
    Photosynthesis reaction:6CO2 + 6H20 + Energy ------> C6 H12 06 + 6O2

  • endothermic reaction
  • exothermic reaction

  • 12. 
    This will be the last question, hope you enjoyed it and keep safe always.

  • Yes I enjoyed it.
  • parang ewan po yung quiz, didn't enjoy it.
  • Okay naman po yung quiz. wag nalang pong uulitin.
  • All of above

  • 13. 
    Which of the following is a spontaneous process will give the lowest entropy after the process?

  • Evaporating Water
  • Cooling down of hot water
  • Condensing Water Vapor
  • Solidifying of Magma

  • 14. 
    Which phase change represents a decrease in entropy?

  • solid to liquid
  • gas to liquid
  • liquid to gas
  • solid to gas

  • 15. 
    When gases are absorbed, Entropy is ____________.

  • Greater than zero
  • Lesser than zero
  • Equal to zero
  • Entropy wiill not be equal to zero, so its either of the two.

  • 16. 
    What type of reaction occurs in a hand warmer

  • exothermic
  • endothermic

  • 17. 
    HCl reacts with Zn giving off heat

  • endothermic
  • exothermic

  • 18. 
    Identify whether the following result in an increase or decrease in entropy: Gas --> Liquid --> solid

  • increase
  • decrease

  • 19. 
    Is cellular respiration an Endothermic or an Exothermic reaction? [Hint: body is warm]

  • Endothermic
  • Exothermic

  • 20. 
    Which of the following is non-spontaneous?

  • Evaporating Water
  • Cooling down of hot water
  • Condensing Water Vapor
  • Solidifying of Magma

  • 21. 
    Which of the following is a spontaneous process will give the highest entropy after the process?

  • Evaporating Water
  • Cooling down of hot water
  • Condensing Water Vapor
  • Solidifying of Magma

  • 22. 
    When gases are produced, Entropy is ____________.

  • Greater than zero
  • Lesser than zero
  • Equal to zero
  • Entropy wiill not be equal to zero, so its either of the two.

  • 23. 
    It is the amount of disorder in a system.

  • Enthalpy
  • Entropy
  • Entrolpy
  • Enthralpy
  • Maybe Entropy or Enthalpy, they are the same ya know.

  • 24. 
    Which law of thermodynamics refers to the Entropy of the Universe?

  • Zeroth Law
  • First Law
  • Second Law
  • Third Law
  • Fourth Law (if ever there is, because I want to answer the most unreal choice)

  • 25. 
    What phase of matter has the most entropy?

  • solid
  • liquid
  • gas

  • 26. 
    Is the combustion of gasoline endothermic or exothermic?

  • Endothermic
  • Exothermic
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