What's the difference between gas and vapour for class 9?
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A gas refers to a substance that has a single defined thermodynamic state at room temperature
Vapor refers to a substance that is a mixture of two phases at room temperature, namely gaseous and liquid phase. A vapour can co-exist with a liquid or solid when they are in equilibrium state.
A gas refers to a substance that has a single defined thermodynamic state at room temperature
Vapor refers to a substance that is a mixture of two phases at room temperature, namely gaseous and liquid phase. A vapour can co-exist with a liquid or solid when they are in equilibrium state.
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