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Solids, liquids and gases each have their own characteristic properties. Beach sand has a non-uniform composition, but the grains can be physically separated into mineral groupings. How does golden beach sand fit into this system? Most of the grains of golden beach sand are either light-coloured feldspar or clear quartz.The application of various separation techniques to this liquid yields numerous categories of chemical compound. Filtering the milk will separate out suspended solids (proteins and lipids), leaving behind a clear liquid. How does milk fit into this system? Milk has a uniform composition, and it is a solution (homogeneous).To see how this classification system works, let us take two examples:
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