Entry Test MCQ :: Gases

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Ideal gasses have all the following characteristics except.

[A].	Absence of intermolecular forces	[B].	Collisions among the molecules of an ideal gas are perfectly elastic
[C].	The molecules occupy no space	[D].	All of the above are correct

Answer: Option C

Ajab khan said:

Reason.. according to ideal gas law.. the molecules of the gas 1) do not have inter molecular forces.2)occupy some space. so option C is wrong. But in real gases molecules of gas when compressed it comes near and atleast convert into liquid..