A substance is a chemical element and its compounds in the natural state or the result of a manufacturing process. In a manufacturing process, a chemical reaction is usually needed to form a substance. ... Compound C is a substance made by the reaction of A and B. Examples of substances are: metals.
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A substance is a chemical element and its compounds in the natural state or the result of a manufacturing process. In a manufacturing process, a chemical reaction is usually needed to form a substance. ... Compound C is a substance made by the reaction of A and B. Examples of substances are: metals.
Substance is a form of matter having constant chemical composition and characteristic properties.