Question : The molecular mass of a gas is:
Option 1: twice its vapour pressure
Option 2: equal to its vapour pressure
Option 3: half its vapour pressure
Option 4: not related to its vapour pressure
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Correct Answer: twice its vapour pressure
Solution : The correct option is twice its vapour pressure.
The vapour pressure of a substance is the pressure exerted by its vapour when the substance is in equilibrium with its liquid (or solid) phase. Since any gas has a molecular mass that is twice as dense as hydrogen, which has two atoms per molecule, it has a vapour pressure that is twice as high.
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Question : At the boiling point of liquids, its
Option 1: temperature increases
Option 2: atmospheric pressure increases
Option 3: temperature remains constant
Option 4: vapour pressure decreases
Question : An eudiometer measures
Option 1: atmospheric pressure
Option 2: time
Option 3: volume of gases
Option 4: vapour pressure
Question : A real gas can act as an ideal gas in:
Option 1: high pressure and low temperature
Option 2: low pressure and high temperature
Option 3: high pressure and high temperature
Option 4: low pressure and loe temperature
Question : Which among the following is not true about Pressure Groups?
Option 1: Pressure Group aim at capturing government.
Option 2: Pressure Groups aim at influencing the policies of the government.
Option 3: Pressure Groups articulates the interest of its group
Option 4: Pressure Groups is characterised by homogeneity of interests
Question : A cone and a cylinder with equal radii have equal volumes. The ratio of their heights is:
Option 1: 2 : 3
Option 2: 3 : 4
Option 3: 1 : 2
Option 4: 3 : 1
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