This quiz works best with JavaScript enabled. Home > Class 11 > Class 11 Chemistry (Part I) Chapter 6 Thermodynamics – Quiz 43 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 11 Chemistry (Part I) Chapter 6 Thermodynamics Quiz 43 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When it burns, a candle heats 45 grams of water from 21 to 28 C. How much energy did the candle give off? Specific heat of water is 4.184 J/gC A) -1317.96 J. B) 1317.96 J. C) 9225.72J. D) -9225, 72 J. Show Answer Correct Answer: B) 1317.96 J. 2. How many joules of heat are needed to raise the temperature of 10.0 g of aluminum from 22.0$^\circ$C to 55.0$^\circ$C?Caluminum = 0.890 J/g $^\circ$C A) 2.94 J. B) 294 J. C) 0.00270 J. D) 3.71 J. Show Answer Correct Answer: B) 294 J. 3. Which factor does not influence the rate of a reaction? A) Temperature. B) Catalyst. C) Pressure. D) Color of reactants. Show Answer Correct Answer: D) Color of reactants. 4. A gas having a negative Joule-Thompson coefficient, when throttled, will A) Become cooler. B) Become warmer. C) Remain at the same temperature. D) Either be cooler or warmer depending on the type of gas. Show Answer Correct Answer: B) Become warmer. 5. In an isothermal process, the internal energy of gas molecules A) Increases. B) Decreases. C) Remains constant. D) None of the above. Show Answer Correct Answer: C) Remains constant. 6. Hot water is pumped up from deep inside Earth and is used to heat homes or to generate electricity. This describes ..... A) Biomass. B) Hydroelectric energy. C) Geothermal energy. D) None of the above. Show Answer Correct Answer: C) Geothermal energy. 7. The law of conservation of energy is the bases of ..... A) 1st law of thermodynamics. B) 2nd law of thermodynamics. C) 3rd law of thermodynamics. D) Zeroth Law. Show Answer Correct Answer: A) 1st law of thermodynamics. 8. What is the symbol for enthalpy? A) H. B) S. C) G. D) Q. Show Answer Correct Answer: A) H. 9. A piece of metal and a piece of brick are both sitting in the sun. If both are the same mass, what property of matter will make the metal feel hotter to the touch? A) Density. B) Melting point. C) Specific heat. D) Electronegativity. Show Answer Correct Answer: C) Specific heat. 10. The thermodynamic process which occurs at constant pressure is A) Isothermal. B) Isochoric. C) Isomeric. D) Isobaric. Show Answer Correct Answer: D) Isobaric. 11. The type of pressure in which its pressure value is lower than the atmospheric pressure is called as ..... A) Gauge Pressure. B) Vacuum Pressure. C) Absolute Pressure. D) Atmospheric Pressure. Show Answer Correct Answer: B) Vacuum Pressure. 12. For an engine IP more than BP A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 13. The properties of water are arranged in the steam tables as functions of A) Pressure. B) Temperature. C) Pressure and Temperature. D) None of the above. Show Answer Correct Answer: C) Pressure and Temperature. 14. What is the amount of energy required to melt 7.2 g of water at 0$^\circ$C? Water's enthalpy of fusion is 6.01 kJ/mol and water's enthalpy of vaporization is 40.7 kJ/mol. A) 16.3 kJ. B) 43.3 kJ. C) 293 kJ. D) 2.40 kJ. Show Answer Correct Answer: D) 2.40 kJ. 15. In which process there is change in internal energy of the system? A) Isothermal. B) Adiabatic. C) Free expansion. D) Cyclic. Show Answer Correct Answer: B) Adiabatic. 16. Pistons moving in a car is an example of an adiabatic process A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 17. How much heat is needed to raise the temperature of 0.3g of copper from 25$^{o}$C to 30$^{o}$C. (Specific Heat of Copper= 0.38) A) 0.57J. B) 0.33J. C) 2.3J. D) 4.5J. Show Answer Correct Answer: A) 0.57J. 18. Temperature is a measure of the ..... A) Total energy in a substance. B) Total kinetic energy in a substance. C) Average potential energy in a substance. D) Average kinetic energy of molecules in a substance. Show Answer Correct Answer: D) Average kinetic energy of molecules in a substance. 19. Two moles of an ideal gas at 300 K were cooled at constant volume so that the pressure is reduced to half the initial value. Then, as a result of heating at constant pressure, the gas has expanded till it attains the original temperature. The total heat absorbed by gas, if R is the gas constant A) 150R. B) 300R. C) 75R. D) 100R. Show Answer Correct Answer: B) 300R. 20. The study of measurement of temperature is called ..... A) Optics. B) Thermometry. C) Calorimetry. D) Trigonometry. Show Answer Correct Answer: B) Thermometry. 21. What is the Second Law of Thermodynamics primarily concerned with? A) The unrestricted creation and destruction of heat energy. B) The transfer of heat energy from a body at a lower temperature to a body at a higher temperature without the addition of outside energy. C) The prediction of energy costs for heating and cooling systems. D) The concept of entropy and the direction of heat transfer. Show Answer Correct Answer: D) The concept of entropy and the direction of heat transfer. 22. The kinetic energy of the gas molecules would be ..... in a low temperature environment. A) Much higher than expected. B) The same as. C) Lower. D) Higher. Show Answer Correct Answer: C) Lower. 23. Which law of thermodynamics defines the concept of entropy? A) Zeroth law. B) First law. C) Second law. D) Third law. Show Answer Correct Answer: C) Second law. 24. To freeze water ..... A) Energy must be added to the water. B) Energy must be removed from the water. C) All the above. D) None of the above. Show Answer Correct Answer: B) Energy must be removed from the water. 25. If I have 2 blocks of Aluminium (one of 1kg and one of 10 kg) and heat them up. Which one heats up the fastest. A) 1 kg. B) 10 kg. C) They both heat up at the same speed. D) They don't heat up. Show Answer Correct Answer: A) 1 kg. ← 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