Question

A _________ has a definite chemical composition with its own chemical and physical properties​

Answer 1

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HERE IS YOUR ANSWER:-

Matter, in turn, consists of chemical substances. A chemical substance is a material that has a definite chemical composition. It is also homogeneous, so the same chemical composition is found uniformly throughout the substance.

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Answer 2

Answer:

A chemical substance is a material that has a definite chemical composition

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