| 1. | Which of the following is defined as the ratio of partial pressure and vapor pressure? |
| a. | Relative Humidity |
| b. | Molal Humidity |
| c. | Humidity |
| d. | None of the mentioned |
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Answer: (a).Relative Humidity
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| 2. | What is the relative saturation of a gas with partial pressure 10 mm Hg and vapor pressure 5 mm Hg? |
| a. | 0.5 |
| b. | 1 |
| c. | 2 |
| d. | 4 |
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Answer: (c).2
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| 3. | What is the relative humidity of a gas with partial pressure of water vapor is 5 mm Hg and vapor pressure 8 mm Hg? |
| a. | 25% |
| b. | 32.5% |
| c. | 45% |
| d. | 62.5% |
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Answer: (d).62.5%
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| 4. | What is the relative saturation of a gas with partial pressure 38 mm Hg and vapor pressure 1 torr? |
| a. | 0.05 |
| b. | 0.5 |
| c. | 2 |
| d. | 38 |
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Answer: (d).38
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| 5. | What is the relative humidity of a gas with partial pressure of water vapor 360 Pa and vapor pressure 1 atm? |
| a. | 100% |
| b. | 225.1% |
| c. | 355.4% |
| d. | 405.9% |
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Answer: (c).355.4%
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