Question

Which of the following substances in gaseous state is called vapour

A.Oxygen

B.Fluorine

C.Nitrogen

D.Iodine

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Answer 1

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Iodine in the gaseous state is called Vapor.

On the other hand, substances such as oxygen, Fluorine, and Chlorine are at the same phase (gas) thus they are called gas at all temperature.

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Answer 2

Explanation:

Iodine in the gaseous state is called vapour.