IGCSE - Chemistry
can be transformed into liquids by melting, and liquids can be transformed into solids by freezing. Solids can also change directly into gases through the process of sublimation. Liquids: A liquid is a nearly incompressible fluid which is able to conform to the shape of its container but retains a (nearly) constant volume independent of pressure.
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www.studyguide.pk IGCSE Complete Chemistry Notes
chemistry-igcse1.weebly.comPure substances and impurities A pure substance is a substance that has no particles of any other substance mixed with it. An unwanted substance, mixed with a wanted substance, is called an impurity To check if a substance is pure, you have to check its melting and boiling points.
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