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Thermodynamics Quiz - Class XI Chemistry

Class XI
Chemistry
Thermodynamics
12 questions
HARD

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1. What is the first law of thermodynamics?

Energy can be created or destroyed. · Energy can only be transformed. · The total energy of an isolated system is constant. · Heat cannot be converted into work.

2. Which of the following is an extensive property?

Temperature · Pressure · Volume · Density

3. What does the symbol 'ΔU' represent?

Change in enthalpy · Change in internal energy · Change in volume · Change in pressure

4. In an isothermal process, which of the following remains constant?

Temperature · Pressure · Volume · Internal energy

5. Which of the following processes is exothermic?

Melting of ice · Evaporation of water · Combustion of fuels · Sublimation of dry ice