This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part I) Chapter 6 Thermodynamics – Quiz 39 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 39 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Is liquid water freezing at a temperature below its freezing point a spontaneous or nonspontaneous process? A) Spontaneous. B) Nonspontaneous. C) All the above. D) None of the above. Show Answer Correct Answer: B) Nonspontaneous. 2. The efficiency of Carnot cycle depends upon A) Temperature limits. B) Pressure ratio. C) Volume compression ratio. D) Cut-off ratio and compression ratio. Show Answer Correct Answer: A) Temperature limits. 3. What is the value of work done for a closed, reversible, isometric system? A) Zero. B) Positive. C) Negative. D) + /-. Show Answer Correct Answer: A) Zero. 4. Thermodynamics is the study of ..... A) Efficient coal mining practices. B) Steam engines in history. C) Heat energy turning into other forms of energy. D) Thermometers. Show Answer Correct Answer: C) Heat energy turning into other forms of energy. 5. The unit of energy in SI units is(J) A) Joule (J). B) Joule metre (Jm). C) Watt (W). D) Joule/metre (J/m). Show Answer Correct Answer: C) Watt (W). 6. In which of the following process a maximum increase in entropy is observed? A) Dissolution of salt in water. B) Condensation of water. C) Sublimation of naphthalene. D) Melting of ice. Show Answer Correct Answer: C) Sublimation of naphthalene. 7. Which of the following is a thermodynamic potential. A) Pressure. B) Volume. C) Temperature. D) Enthalpy. Show Answer Correct Answer: D) Enthalpy. 8. Angstrom pyrheliometer is used to find A) Gravitational constant. B) Solar constant. C) Preportionality constant. D) Gas constant. Show Answer Correct Answer: B) Solar constant. 9. Which of the following variables controls the physical properties of a perfect gas A) Pressure. B) Temperature. C) Volume. D) All of the above. Show Answer Correct Answer: D) All of the above. 10. Exact differential follows A) Eulers theorem. B) Cyclic rule. C) Both a and b. D) None of the above. Show Answer Correct Answer: C) Both a and b. 11. Transfer of heat from low temperature to high temperature is A) None of these. B) Possible by doing some external work. C) Possible by keeping both the bodies in contact. D) Impossible. Show Answer Correct Answer: D) Impossible. 12. What is the condition state when the temperature is lower than saturation temperature at given pressure? A) Compressed liquid. B) Superheated vapor. C) Saturated vapor. D) Saturated liquid. Show Answer Correct Answer: A) Compressed liquid. 13. Refer the the following question:2N$_{2}$ + 3H$_{2}$ $\rightarrow$ 2NH$_{3}$ + 46 kJHow much energy would be produced if only 1 mol of nitrogen was reacted? A) 92 kJ. B) 0.143 kJ. C) 23 kJ. D) 15 kJ. Show Answer Correct Answer: C) 23 kJ. 14. The region in which ozone layer exists is A) Stratosphere. B) Troposphere. C) Mesosphere. D) Thermosphere. Show Answer Correct Answer: A) Stratosphere. 15. Energy of an isolated system is A) Zero. B) One. C) Two. D) None of the above. Show Answer Correct Answer: A) Zero. 16. What is the BEST example of a conductor? A) A wooden block. B) A ceramic mug. C) A glass cup. D) A metal bowl. Show Answer Correct Answer: D) A metal bowl. 17. How does the Joule effect relate to heat and work? A) The Joule effect states that heat cannot be converted into any form of energy. B) The Joule effect relates to heat as it describes the conversion of electrical energy into heat energy, illustrating the transformation of work into heat. C) The Joule effect is unrelated to work and only pertains to mechanical energy. D) The Joule effect describes the conversion of heat into electrical energy. Show Answer Correct Answer: B) The Joule effect relates to heat as it describes the conversion of electrical energy into heat energy, illustrating the transformation of work into heat. 18. The magnetic substance that is used in Adiabatic demagnetization is A) Diamagnetic. B) Para magnetic. C) Ferro magnetic. D) Ferri magnetic. Show Answer Correct Answer: B) Para magnetic. 19. Entropy is a A) State function. B) Path fuction. C) Intensive variable. D) None of these. Show Answer Correct Answer: A) State function. 20. What is true of a gas? A) A gas has a fixed shape and will expand or shrink to fill any container. B) A gas has a fixed shape and has the same volume in any container. C) A gas has a changeable shape and will expand or shrink to fill any container. D) A gas has a changeable shape and has the same volume in any container. Show Answer Correct Answer: C) A gas has a changeable shape and will expand or shrink to fill any container. 21. Which law of thermodynamics is often associated with the concept of absolute zero temperature? A) 1st Law of Thermodynamics. B) 2nd Law of Thermodynamics. C) 3rd Law of Thermodynamics. D) Zeroth Law of Thermodynamics. Show Answer Correct Answer: C) 3rd Law of Thermodynamics. 22. Microscopic thermodynamics is related to A) Molecular dimension. B) Bult substance. C) All the above. D) None of the above. Show Answer Correct Answer: A) Molecular dimension. 23. A system comprising a single phase is called a A) Closed system. B) Open system. C) Isolated system. D) Homogeneous system. E) Heterogeneous system. Show Answer Correct Answer: D) Homogeneous system. 24. A student is preparing to take a bath when she realizes that the hot water tap in the bathroom is not working. The student goes to the kitchen and prepares 20L of 100oC water to mix with 80L of 20oC . What will be the final temperature of the bath water? A) 36 oC. B) 120 oC. C) 15 oC. D) 80 oC. Show Answer Correct Answer: A) 36 oC. 25. An ideal gas undergoes isothermal expansion at constant pressure. During the process A) Enthalpy increases but entropy decreases. B) Enthalpy remains constant but entropy increases. C) Enthalpy decreases but entropy increases. D) Both enthalpy and entropy remain constant. Show Answer Correct Answer: B) Enthalpy remains constant but entropy increases. ← PreviousNext →Related QuizzesClass 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 1Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 2Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 3Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 4Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 5Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 6Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 7Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 8Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 9Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books