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Question
Which of the following does not decrease with rise in temperature?
Which of the following does not decrease with rise in temperature?
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Solution
The correct option is B Vapour pressure
The
vapor pressure of a liquid varies with its temperature in a directly
proportional relationship. The concern graph will show that as the temperature
of a liquid or solid increases its vapor pressure also increases. Conversely,
vapor pressure decreases as the temperature decreases. Thus with a decrease in
vapor pressure-temperature will not rise. On the other hand with a rise in
temperature density, surface tension, and viscosity all decrease.
Option
C is correct.
The vapor pressure of a liquid varies with its temperature in a directly proportional relationship. The concern graph will show that as the temperature of a liquid or solid increases its vapor pressure also increases. Conversely, vapor pressure decreases as the temperature decreases. Thus with a decrease in vapor pressure-temperature will not rise. On the other hand with a rise in temperature density, surface tension, and viscosity all decrease.
Option C is correct.
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