| 1. | The sum of internal energy (U) and the product of pressure and volume (p.v) is known as |
| a. | workdone |
| b. | entropy |
| c. | enthalpy |
| d. | none of these |
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Answer: (c).enthalpy
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| 2. | The value of 1 mm of Hg is equal to |
| a. | 1.333 N/m² |
| b. | 13.33 N/m² |
| c. | 133.3 N/m² |
| d. | 1333 N/m² |
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Answer: (c).133.3 N/m²
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| 3. | One kg of carbon requires 4/3 kg of oxygen and produces __________ kg of carbon monoxide gas. |
| a. | 8/3 |
| b. | 11/3 |
| c. | 11/7 |
| d. | 7/3 |
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Answer: (d).7/3
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| 4. | The behaviour of a perfect gas, undergoing any change in the variables which control physical properties, is governed by |
| a. | Boyle's law |
| b. | Charles' law |
| c. | Gay-Lussac law |
| d. | all of these |
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Answer: (d).all of these
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| 5. | The universal gas constant of a gas is the product of molecular mass of the gas and the gas constant. |
| a. | Correct |
| b. | Incorrect |
| c. | Can't say |
| d. | None of these |
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Answer: (a).Correct
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