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CTET Prep: Science Questions - Chemistry - Thermodynamics and Energetics
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Energetics is part of a broader field of chemistry called thermodynamics or thermochemistry. It is all about the energy changes that happen in a chemical reaction, while thermodynamics deals with how these energy changes affect the properties of a chemical system.

CTET Prep: Science Questions - Chemistry - Thermodynamics and Energetics
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25 Questions

1. A substance that can supply energy either along or by reacting with another substance is known as
2. The compressed gas available in cooking gas cylinder is a mixture of
3. The second law of thermodynamics introduced the concept of
4. The order of apperance of the following with increasing temperature during the refining of crude oil is
5. If a refrigerator’s door is kept open, then
6. For the process CO2(s) —→ CO2(g)
7. The compound with negative heat of formation is known as
8. A system which can exchange energy with the surroundings but no matter is called
9. A mixture of carbon monoxide and nitrogen is called
10. Which one of the following has maximum calorific value?
11. In any natural process
12. Which of the following is a closed system?
13. The calorific value of fat is
14. Which one of the following fuels causes minimum environmental pollution?
15. An intensive property in thermodynamics means a property which depends
16. Water gas is a mixture of
17. Which law of thermodynamics introduces the concept of entropy?
18. The molar heat capacity of water is
19. In which of the following, the entropy decreases?
20. ‘‘If a system A is in thermal equilibrium with B and B is in thermal equilibrium with C, then A and C are in equilibrium with each other.’’ This is a statement of
21. According to latest sign conventions, the correct expression representing the first law of thermodynamics is
22. Vibrational energy can be said as
23. What happens when the door of a refrigerator is kept open?
24. In which type of coal percentage of carbon is the highest?
25. During isothermal expansion of an ideal gas, its internal energy

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