Molecular formula : CAS :
nature : the system of physical and chemical nature of uniformity, there are clear boundaries, mechanical methods can be used to isolate the part called phase. Usually gas mixture can be in any proportion, by the system and no matter how many gases have only one phase. As the liquid immiscible degrees can be a phase, phase two, or even more compared. For solids, is a generally constitute a solid phase, but only a solid solution phase. With only one phase system, known as homogeneous system. Containing more than one phase of the system, known as composite systems.
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