| 1 |
In endothermic reactions, the heat content of the. |
- A. Products is more than that of reactants.
- B. Reactants is more than that of products
- C. Both a and b
- D. Reactants and products are equal
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| 2 |
The enthalpy of combustion is |
- A. Positive
- B. Negative
- C. Either positive or negative
- D. No correlation
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| 3 |
A material or a collection of materials which is under study is called |
- A. State function
- B. Degree and joule
- C. Degree and ergs
- D. Calorie and joule
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| 4 |
Whenever a reaction is endothermic, then it means that |
- A. Heat is transferred from surrounding to the system
- B. Heat is transferred system to the surrounding
- C. Heat content of the product is greater than that of reactants
- D. Heat content of the reactants is greater than the products
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| 5 |
|
- A. Heat of reaction
- B. Heat of sublimation
- C. Heat of neutralization
- D. Heat of combustion
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| 6 |
The S.I. units for the molar heat capacity are |
- A. Joule Cm<sup>-3</sup>degree<sup>-1</sup>
- B. Joule deg<sup>-1</sup>atm<sup>-1</sup>
- C. Joule deg<sup>-1</sup>mol<sup>-1</sup>
- D. Joule deg<sup>-1</sup>kg<sup>-1</sup>
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| 7 |
For a given process, the heat change at constant pressure (q<sub>p</sub>) and at constant volume (q<sub>v</sub>) are related to each other as |
- A. q<sub>p</sub>= q<sub>v</sub>
- B. q<sub>p</sub>< q<sub>v</sub>
- C. q<sub>p</sub>> q<sub>v</sub>
- D. q<sub>p</sub>= q<sub>v</sub>/2
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| 8 |
Which one of the following enthalpies is always an exothermic process. |
- A. Enthalpy of atomization
- B. Enthalpy of neutralization
- C. Enthalpy of ionization
- D. Enthalpy of dissociation
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| 9 |
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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| 10 |
Which of the following value of heat of formation indicates that the product is least stable. |
- A. -94 KJ
- B. -231.6 KJ
- C. +21.4 KJ
- D. +70 KJ
|