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The noble gases heavier than air are...

The noble gases heavier than air are

A

Ar

B

He

C

Ne

D

Kr.

Text Solution

Verified by Experts

The correct Answer is:
A, D
Out of the given four noble gases only Ar (At. Mass 39) and (Kr (At. Mass 84) are heavier than air. He (At. Mass 4) and Ne (At. Mass 20) are lighter than air.
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