Vapour is the gaseous state of a substance that is typically liquid or solid at room temperature. It forms when the substance evaporates or sublimates. Vapour can exist below its boiling point and can be seen as mist or steam ...
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Vapour is the gaseous state of a substance that is typically liquid or solid at room temperature. It forms when the substance evaporates or sublimates. Vapour can exist below its boiling point and can be seen as mist or steam ...