Chemistry, 29.09.2020 22:01 legend101xD
Paragraph 1 discusses some differences between pure substances and mixtures. What one of the following statements is true?
The chemical properties of a pure substance are variable
The chemical properties of a pure substance are variable,
The physical properties of a mixture never change.
The physical properties of a mixture never change.,
Mixtures can be separated by physical changes.
Mixtures can be separated by physical changes.
Pure substances can be separated by physical changes.
Answers: 1
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