This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part I) Chapter 6 Thermodynamics – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Amount of energy required to raise the temperature of a substance of 1 Kg mass by 1$^{0}$C is called A) Specific entropy. B) Specific heat capacity. C) Sensible heat. D) Latent Heat. Show Answer Correct Answer: B) Specific heat capacity. 2. The substance with the smallest value of molar entropy (S$^{o}$) is A) AlCl$_{3}$. B) MgCl$_{2}$. C) NaCl. D) SnCl$_{4}$. Show Answer Correct Answer: C) NaCl. 3. Define entropy and its significance in thermodynamics. A) Entropy is irrelevant in thermodynamic processes. B) Entropy quantifies the temperature of a system. C) Entropy is a measure of disorder in a system, significant for understanding energy distribution and the direction of thermodynamic processes. D) Entropy is a measure of energy in a system. Show Answer Correct Answer: C) Entropy is a measure of disorder in a system, significant for understanding energy distribution and the direction of thermodynamic processes. 4. Transfer of heat in a gas or liquid by the motion of particles in the heated fluid A) Conduction. B) Convection. C) Radiation. D) None of the above. Show Answer Correct Answer: B) Convection. 5. The SI unit for measuring heat is the A) Pascal. B) Newton. C) Joule. D) Calorie. Show Answer Correct Answer: C) Joule. 6. Which of the following is an example of an endothermic process? A) Melting of ice. B) Combustion of gasoline. C) Freezing of water. D) Condensation of steam. Show Answer Correct Answer: A) Melting of ice. 7. The quantity responsible for heat flow is A) Specific heat. B) System. C) Surrounding. D) Temperature. Show Answer Correct Answer: D) Temperature. 8. For an ideal gas, Cv and Cp are related as: A) Cv-Cp = R. B) Cv+Cp=R. C) Cp-Cv=RT. D) Cp-Cv=R. Show Answer Correct Answer: D) Cp-Cv=R. 9. In an isothermal process, the volume of an ideal gas is halved. One can say that the A) Internal energy of the system decreases. B) Work done by the gas is positive. C) Work done by the gas is negative. D) Internal energy of the system increases. Show Answer Correct Answer: C) Work done by the gas is negative. 10. First Law of Thermodynamics states that (keeping in mind the sign convention of IUPAC) A) $\Delta$U = Q + W. B) $\Delta$U = Q-W. C) $\Delta$U = W-Q. D) $\Delta$U =-W-Q. Show Answer Correct Answer: A) $\Delta$U = Q + W. 11. Which law of thermodynamics is used to define temperature? A) Zeroth law. B) First law. C) Second law. D) Third law. Show Answer Correct Answer: A) Zeroth law. 12. Most of real processes are A) Quasi-static. B) Non-quasi-statics. C) Adiabatic. D) Isothermal. Show Answer Correct Answer: B) Non-quasi-statics. 13. LFP in the Rankine Scale is ..... A) 273.15$^{0}$ R. B) 100$^{0}$R. C) 492$^{0}$R. D) 672$^{0}$R. Show Answer Correct Answer: C) 492$^{0}$R. 14. My coffee and the creamer have the same temp. My cofee and the cup have the same temp. So ..... Creamer and cup have same temp. A) 1st law of thermodynamics. B) 2nd law of thermodynamics. C) 3rd law of thermodynamics. D) Zeroth Law. Show Answer Correct Answer: D) Zeroth Law. 15. The Law of ..... states that energy cannot be created nor destroyed only transferred A) Specific Heat. B) Conservation of Energy. C) Exothermic Reaction. D) Potential Energy. Show Answer Correct Answer: B) Conservation of Energy. 16. Ice in water is an example for A) Homogeneous system. B) Heterogeneous system. C) Microscopic system. D) Isolated system. Show Answer Correct Answer: B) Heterogeneous system. 17. Carnot's theorem A) The efficiency of a Carnot engine is independent of the working material of the engine. B) Shows that a Carnot engine combined with a more efficient engine would constitute a perfect heat engine. C) All perfectly reversible engines operating between two given temperatures have the same efficiency. D) All the above. Show Answer Correct Answer: D) All the above. 18. What mass of P$_{4}$ must be reacted to produce 5905 kJ of energy?P$_{4}$ + 6Cl$_{2}$ $\rightarrow$ 4PCl$_{3}$ + 2439 kJ A) 25.43 g. B) 563.0 g. C) 2.421 g. D) 300.0 g. Show Answer Correct Answer: D) 300.0 g. 19. The distance travelled by an atom between two successive collisions is called A) Wavelength. B) Displacement. C) Free path. D) Mean free path. Show Answer Correct Answer: C) Free path. 20. During a science class, Ishaan asked, which of the following is not an example of a low temperature reservoir? A) Atmosphere. B) Ocean. C) River. D) Furnace. Show Answer Correct Answer: D) Furnace. 21. Why does a gas have more entropy? A) Gas molecules spread in random ways. B) Because gas is invisible. C) Gas has no energy. D) They are small particles. Show Answer Correct Answer: A) Gas molecules spread in random ways. 22. What is the name of the process in which pressure remains constant. A) Isochoric process. B) Adiabatic process. C) Isobaric process. D) Isolated process. Show Answer Correct Answer: C) Isobaric process. 23. Specific Heat A) The amount of energy it takes to raise one gram of a substance by one degree Celsius. B) The internal energy of an object. C) The measure of the kinetic energy of an object's molecules. D) None of the above. Show Answer Correct Answer: A) The amount of energy it takes to raise one gram of a substance by one degree Celsius. 24. Heat transferred by direct contact is: A) Conduction. B) Convention. C) Radiation. D) Illegal because quarantine. Show Answer Correct Answer: A) Conduction. 25. A piece of ice is added to water in a cup. The entropy A) Decreased. B) Increased. C) No change. D) Decreases then increases. Show Answer Correct Answer: B) Increased. ← 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 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 10Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books