A pure substance is usually all one color. The exception is if the matter has unusual optical properties, such that it reflects or refracts light. A pure substance has the same appearance and properties, no matter where you sample it. If you magnify the matter, it should appear the same everywhere in its composition.
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Answer:
A pure substance is usually all one color. The exception is if the matter has unusual optical properties, such that it reflects or refracts light. A pure substance has the same appearance and properties, no matter where you sample it. If you magnify the matter, it should appear the same everywhere in its composition.
Explanation: