| 1 |
Which process is endothermic and spontaneous |
- A. Neutralization of NaOH with HCl
- B. Formation of NH3 from H2 and N2
- C. Formation of H2O from H2 and O2
- D. Evaporation of sea water
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| 2 |
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| 3 |
The born Haber cycle is the best application of law. |
- A. Boyle's
- B. Dalton's
- C. Hess's
- D. Graham's
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| 4 |
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- A. Heat of reaction
- B. Heat of sublimation
- C. Heat of neutralization
- D. Heat of combustion
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| 5 |
Which one of the following process is endothermic |
- A. condensation of steam
- B. Freezing of water
- C. electrolysis of water
- D. None of these
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| 6 |
If an endothermic reaction is allowed to take place very rapidly i the air, the temperature fo the surrounding air. |
- A. Remains constant
- B. Increase
- C. Decrease
- D. Remain unchanged
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| 7 |
The pressure of oxygen inside the bomb calorimeter is. |
- A. 100 atm
- B. 50 atm
- C. 25 atm
- D. 20 atm
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| 8 |
The net heat change in a chemical reaction is same whether it is brought about in two or more different ways in one or several steps. It is known as |
- A. Henry's law
- B. Hess's law
- C. Joule's principle
- D. Law of conservation of energy
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| 9 |
One of the following statements about Born-Haber cycle is correct. Which is that statement |
- A. Born-Haber cycle is different from Hess's law
- B. The energy change in a cyclic process is not zero
- C. The lattice energy of the crystalline substances can be calculated easily
- D. Heat of formation of the product and the lattice energy of the substance can be calculated simultaneously
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| 10 |
Born Haber cycle is used to determine the |
- A. Lattice energy
- B. Enthalpy of formation
- C. Enthalpy of ionization
- D. Enthalpy of dissociation
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