Sagot :
Answer:
If it is pure, the substance is either an element or a compound. If a substance can be separated into its elements, it is a compound. If a substance is not chemically pure, it is either a heterogeneous mixture or a homogeneous mixture. If its composition is uniform throughout, it is a homogeneous mixture.
Explanation:
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Answer:
A material composed of two or more substances is a mixture. Elements and compounds are both examples of pure substances.A substance that cannot be broken down into chemically simpler components is an element.
Explanation:
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