Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoKinetic Theory of Gases and Gas LawsEasy2 minQB
PhysicsEasyassertion reason
Assertion: A cylinder of liquefied butane at constant room temperature shows the same gas pressure while gas is drawn off, until the liquid is nearly used up.
Reason: The saturated vapour pressure of a liquid depends only on its temperature.
Options:
Answer:
A
Solution:
Liquid keeps evaporating to replace the drawn gas, so the saturated vapour pressure, which depends on temperature, is maintained. The reason explains the assertion. A.
Subject:PhysicsTopic:Heat & ThermoSubtopic:Kinetic Theory of Gases and Gas Laws
⏱ 2mℹ️ Source: QB
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