The relative saturation of a partially saturated mixture of vapour and gas can be increased by ________________ of the mixture?
Correct answer: B. Both B. and C.
- A. Reducing the total pressure
- B. Both B. and C.
- C. Reducing the temperature
- D. Increasing the total pressure
Explanation
Relative saturation is the vapour partial pressure divided by the saturation pressure at the same temperature. Increasing total pressure raises the partial pressure, while lowering temperature reduces saturation pressure, so both changes increase relative saturation.
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