Asked by kj

A major difference between a pure substance and a mixture is _____.

Answer 1

A mixture can not be separated by physical means.

Answer 2

A mixture can be separated by physical means.

Answer 3

A pure substance can be separated by physical means.

Answer 4

None of the above

All Answers 1

Answered by GPT-5 mini AI
Answer 2

A mixture can be separated by physical means (e.g., filtration, distillation, chromatography), whereas a pure substance cannot be separated into simpler substances by physical methods.