Question # 1

An Ideal gas can not be liquefied because.

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Its critical temperature is always above 0 ^oC

It molecules are relatively smaller in size

Its solidify before becoming a liquid

Force operative between its molecules are negligible

A real gas obeying Van der Waal's equation will resemble ideal gas if.

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Both a and b are large

Both a and b are small or zero

A is small and b is large

A is large and b is small

Rate of diffusion of CO and N₂are same at room temperature due to the reason, that

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Both are diatomic molecules

Both have same multiple bond in them

Both have lone pairs in them

Both have same molar masses

The total kinetic energy of one mole of an ideal gas is given by

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3/2 RT

1/2 KT

1/2 RT

3/2 KT

In gas occupies a volume of 2 dm³at 27°C and I atm pressure. The expression for its volume at S.T.P. is

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At constant temperature in a given mass of and ideal gas.

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The ratio of pressure and volume remains constant

Volume always remains constant

Pressure always remains constant

The product of pressure and volume remains constant

The concept of distribution of velocities among the gas molecules was given by.

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Clausius

Mexwell

Boltzmann

Vander waal

The deviation of a gas from ideal behavior is maximum at.

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-10 ^oC and 5.0 atm

-10^oC and 2 atm

0^oC and 2 atm

100^oC and 2 atm

How should the conditions be changed to prevent the volume of a give gas from expanding when its mass is increased.

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Temperature is lowered and pressure is increased.

Temperature is increased and pressure is lowered

Temperature and pressure both are lowered

Temperature and pressure both are increased

Borax has the chemical formula.

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KNO3

Na2B3O7.10H2O

Na2CO3

NaNO3

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Chemistry Fsc Part 1 Chapter 3 Online Test MCQs With Answers

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