This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part I) Chapter 6 Thermodynamics – Quiz 35 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 35 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Explain the concept conveyed by the term 'enthalpy change of a reaction': A) The thermal energy released or absorbed during a chemical reaction. B) The alteration in mass occurring as a result of the reaction. C) The shift in entropy experienced throughout the reaction process. D) The variation in volume observed throughout the reaction. Show Answer Correct Answer: A) The thermal energy released or absorbed during a chemical reaction. 2. While running your kinetic energy converts to thermal energy. Which law does this refer to? A) 0th law of thermodynamics. B) 1st law of thermodynamics. C) 2nd law of thermodynamics. D) 3rd law of thermodynamics. Show Answer Correct Answer: B) 1st law of thermodynamics. 3. During an irreversible process, the entropy of the universe: A) Increases. B) Decreases. C) Remains constant. D) Becomes zero. Show Answer Correct Answer: A) Increases. 4. What is a device that transforms heat into work? A) Generator. B) Electric Transformer. C) Heat Engine. D) Converter. Show Answer Correct Answer: C) Heat Engine. 5. What is "absolute zero" according to the Third Law of Thermodynamics? A) The temperature at which matter contains a maximum amount of energy. B) The temperature at which matter is at its most disordered state. C) The temperature at which matter has absolutely no energy at all. D) The temperature at which matter changes from one state to another. Show Answer Correct Answer: C) The temperature at which matter has absolutely no energy at all. 6. How can energy be transferred from a cool object to a warm object? A) Work must be done. B) Increase thermal energy. C) Use convection. D) Q=mTC. Show Answer Correct Answer: A) Work must be done. 7. Measure of disorder and randomness in a system, this is called ..... A) Heat energy. B) Temperature. C) Thermal equilibrium. D) Entropy. Show Answer Correct Answer: D) Entropy. 8. Consider a refrigerator in a kitchen. And consider the refrigerator and everything in it is a system. Which best describes the system's surrounding? A) All of the air in the kitchen. B) The air inside the refrigerator. C) Everything in the universe external to the system. D) None of the above. Show Answer Correct Answer: C) Everything in the universe external to the system. 9. What is the heat gained or lost when 20 kg of water experiences a change in temperature from 10$^\circ$ C to 40$^\circ$ C? (Specific heat of water is 4186 J/kgC) A) 8000 J. B) -8000 J. C) 2, 511, 600 J. D) -2, 511, 600J. Show Answer Correct Answer: C) 2, 511, 600 J. 10. What is the primary unit of temperature in the International System of Units (SI)? A) Fahrenheit. B) Celsius. C) Kelvin. D) Rankine. Show Answer Correct Answer: C) Kelvin. 11. In a molecule potential energy is stored A) In the protons. B) In the bonds. C) In the outer electron orbitals. D) In the electron clouds. Show Answer Correct Answer: B) In the bonds. 12. Gold cools more quickly than aluminum. This means ..... A) Gold has a larger heat capacity. B) Aluminum has a larger heat capacity. C) They have the same heat capacity. D) What is heat capacity?. Show Answer Correct Answer: B) Aluminum has a larger heat capacity. 13. True/False:The 2nd Law of thermodynamics is also known as the Law of Entropy. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. In this method of heat transfer heat is carried by a moving medium, like water or air. A) Conduction. B) Convection. C) Radiation. D) This is impossible. Show Answer Correct Answer: B) Convection. 15. This refers as the TOTAL OR TRUE PRESSURE of a fluid or substance A) Atmospheric Pressure. B) Vacuum Pressure. C) Absolute Pressure. D) Gauge Pressure. Show Answer Correct Answer: C) Absolute Pressure. 16. Fahrenheit scale A) The temperature scale that is used only in America and 2 countries in the Caribbean. B) The temperature scale that has water freeze at zero degrees and boil at 100 degrees. C) The temperature scale that has water freeze at 273 K and boil at 373 K. D) None of the above. Show Answer Correct Answer: A) The temperature scale that is used only in America and 2 countries in the Caribbean. 17. Work was done to freeze 1 kg of water. Which statement best describes what happened to this system? A) Entropy is zero. B) Entropy increases. C) Entropy remains constant. D) Entropy decreases. Show Answer Correct Answer: D) Entropy decreases. 18. What is the condition state when it has higher specific volume than specific volume vapor at given temperature? A) Saturated liquid. B) Compressed liquid. C) Saturated vapor. D) Superheated vapor. Show Answer Correct Answer: D) Superheated vapor. 19. Property of thermetic substances used by thermometer to measure temperature is the ..... property. A) Chemical. B) Physical. C) Resistance. D) Repulsion. Show Answer Correct Answer: B) Physical. 20. Identify the incorrect statement among the following.-A:In calorimetry, the heat lost by a hot object is equal to the heat gained by a cold object.-B:The principle of calorimetry states that in an isolated system, the total heat remains constant.-C:Specific heat capacity is irrelevant in calorimetry as it only concerns temperature changes. A) A. B) B. C) C. D) None of the above. Show Answer Correct Answer: C) C. 21. In an irreversible process, there is a A) Loss of heat. B) No loss of heat. C) Gain of heat. D) No gain of heat. Show Answer Correct Answer: A) Loss of heat. 22. Which type of system has no thermal energy? A) A quantum system. B) A system with no friction. C) A system at absolute zero. D) None of the above. Show Answer Correct Answer: C) A system at absolute zero. 23. The variable foe HEAT A) Q. B) C. C) T. D) None of the above. Show Answer Correct Answer: A) Q. 24. Entropy change depends on: A) Heat transfer. B) The number of the particles. C) Change in temperature. D) None of the above. Show Answer Correct Answer: A) Heat transfer. 25. If the final temperature of a system is greater than the initial temperature, $\Delta$t is ..... A) Positive. B) Eliminated. C) Negative. D) Reduced. Show Answer Correct Answer: A) Positive. ← 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