What is a pure chemical substance?

Matter with a definite composition.

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  1. Matter with a definite composition ✔
  2. A random mixture
  3. A type of energy

Why: A chemical substance has a definite composition and set of properties.

Huh, didn't know that: A chemical substance has a definite composition and set of properties.

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Pure substances are definite!
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References

Answer: Matter with a definite composition. A chemical substance has a definite composition and set of properties.

  1. Chemistry en.wikipedia.org/wiki/Chemistry
    A chemical substance is a kind of matter with a definite composition and set of properties.
    Checked 2026-11-07.

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