This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part I) Chapter 6 Thermodynamics – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 13 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An open system allows the transfer of A) Only mass. B) Only Energy. C) Both mass and energy. D) Neither mass nor energy. Show Answer Correct Answer: C) Both mass and energy. 2. Which material would enable you to warm your hands the fastest according to the experiment? A) LDPE. B) HDPE. C) Mylar. D) Neoprene. Show Answer Correct Answer: C) Mylar. 3. Warming hand over a radiator. A) Conduction. B) Convection. C) Radiation. D) None of the above. Show Answer Correct Answer: C) Radiation. 4. Thermal Equilibrium is related to A) Pressure. B) Temperature. C) Volume. D) All of the above. Show Answer Correct Answer: B) Temperature. 5. This is the energy stored due to its elevation or position A) Potential Energy. B) Internal Energy. C) Kinetic Energy. D) Heat. Show Answer Correct Answer: A) Potential Energy. 6. It is the ratio of weight of object and volume of object A) Specific Gravity. B) Specific Volume. C) Specific Heat. D) Specific Weight. Show Answer Correct Answer: D) Specific Weight. 7. In an adiabatic process the work done is 50 KJ, what is its internal energy? A) 50 KJ. B) 25 KJ. C) -50 KJ. D) -25 KJ. Show Answer Correct Answer: C) -50 KJ. 8. Whats the formula to convert Celsius to Fahrenheit? A) C= (F-32) / 1.8. B) F = (1.8 x C) + 32. C) K = C + 273. D) C = K-273. Show Answer Correct Answer: B) F = (1.8 x C) + 32. 9. In sign convention, work done BY THE SYSTEM is POSITIVE. Work done ON THE SYSTEM is NEGATIVE. A) Both Statements are True. B) 1st Statement-False2nd Statement-True. C) 1st Statement-True2nd Statement-False. D) Both Statements are False. Show Answer Correct Answer: A) Both Statements are True. 10. What is the thermodynamic property which is the reciprocal of density? A) Specific Gravity. B) Specific Weight. C) Specific Volume. D) Specific Heat. Show Answer Correct Answer: C) Specific Volume. 11. If heat added to the cycle is 40 kJ and the one rejected is 20 kJ then the efficiency of the cycle will be A) 40%. B) 50%. C) 60%. D) 100%. Show Answer Correct Answer: B) 50%. 12. As 120 g of hot milk cools in a mug, it transfers 20, 000 J of heat to the environment. What is the temperature change of the milk? The specific heat of milk is 2.6 J/g$^\circ$C. (Q=ms$\Delta$T) A) 64 $^\circ$C. B) 1.56 $^\circ$C. C) 640 $^\circ$C. D) Cannot be determined. Show Answer Correct Answer: A) 64 $^\circ$C. 13. Which of the following materials typically has the highest specific heat capacity? A) Water. B) Iron. C) Aluminum. D) Copper. Show Answer Correct Answer: A) Water. 14. It is observed that the reaction producing KCl from its elements goes essentially to completion. Which of the following statements must be true about the thermodynamic favorability of the reaction? A) The reaction is favorable and enthalpy-driven. B) The reaction is favorable and entropy-driven. C) The reaction is favorable and driven by both the enthalpy and entropy changes. D) The reaction is unfavorable due to unfavorable changes in enthalpy and entropy. Show Answer Correct Answer: A) The reaction is favorable and enthalpy-driven. 15. If work is done by the system, the internal energy of the system decreases, then work done by the system is taken as ..... A) Negative. B) Positive. C) All the above. D) None of the above. Show Answer Correct Answer: A) Negative. 16. A gas contains two types of particles. Particle A has mass m and velocity v0 in the +z-direction. It collides head-on with particle B that has mass 5m and velocity 2v0 in the-z-direction. Electrostatic force then holds the particles together. What is the final velocity of the two-particle system? A) $+\frac{3}{2}v_0$. B) $-\frac{3}{2}v_0$. C) $+\frac{11}{6}v_0$. D) $-\frac{11}{6}v_0$. Show Answer Correct Answer: B) $-\frac{3}{2}v_0$. 17. Starting with the same initial conditions, an ideal gas expands from volume V1 to V2 in three different ways:The work done by the gas is W1 if the process is purely isothermal, W2 if the process is purely isobaric, and W3 if the process is purely adiabatic, then A) W1>W2>W3. B) W2>W3>W1. C) W3>W2>W1. D) W2>W1>W3. Show Answer Correct Answer: D) W2>W1>W3. 18. If an engine is having an efficiency of 100% then it is called as A) PMM1. B) PMM2. C) PMM3. D) None of the above. Show Answer Correct Answer: B) PMM2. 19. PV =K, where P is pressure and V is volume . K is having the dimensions of A) Temperature. B) Work. C) Power. D) Momentum. Show Answer Correct Answer: B) Work. 20. Any process that increases the volume of a given mass of gas is called ..... A) Specific heat. B) Compression. C) Thermodynamics. D) Expansion. Show Answer Correct Answer: D) Expansion. 21. If the pressure inside a container of gas has decreased, it must have been caused by ..... A) Adding heat to the gas or increasing the volume of the gas. B) Removing heat from the gas or decreasing the volume of the gas. C) Adding heat to the gas or decreasing the volume of the gas. D) Removing heat from the gas or increasing the volume of the gas. Show Answer Correct Answer: D) Removing heat from the gas or increasing the volume of the gas. 22. Thermal Energy A) The internal energy of a system, including the kinetic and potential energy of its particles. B) The smallest unit of an element that has all of the properties of that element; contains a nucleus with a surrounding electron cloud. C) The emission or transmission of energy as particles or waves. D) The study of the changes in the thermal properties of a system. Show Answer Correct Answer: A) The internal energy of a system, including the kinetic and potential energy of its particles. 23. How does heat transfer occur in a vacuum? A) Heat transfer in a vacuum occurs through convection. B) Heat transfer in a vacuum occurs through conduction. C) Heat transfer in a vacuum is impossible. D) Heat transfer in a vacuum occurs through radiation. Show Answer Correct Answer: D) Heat transfer in a vacuum occurs through radiation. 24. The Third Law of Thermodynamics indicates that the A) Enthalpy of the universe is constant. B) Entropy of the universe increases. C) Sum of the entropies of the system plus surroundings is zero. D) Entropy of a perfectly ordered pure crystal is zero at absolute zero. Show Answer Correct Answer: D) Entropy of a perfectly ordered pure crystal is zero at absolute zero. 25. A person places a metal spoon at room temperature into a bowl of hot soup. What will happen to the thermal energies of the spoon and the soup? A) Both the spoon and the soup will increase in thermal energy. B) Both the spoon and the soup will decrease in thermal energy. C) The spoon will decrease in thermal energy, and the soup will increase in thermal energy. D) The spoon will increase in thermal energy, and the soup will decrease in thermal energy. Show Answer Correct Answer: D) The spoon will increase in thermal energy, and the soup will decrease in thermal energy. ← 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