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Density of a gas STP is 2 g//L while the...

Density of a gas STP is `2 g//L` while the expected density is `1.8g //L` assuming its ideal behaviour. Then:

A

gas behaves ideally

B

forces of attraction are dominant among gas molecules

C

force of repulsion are dominant among gas molecules

D

none of the above

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The correct Answer is:
B
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