Answer:

1. Which of the given samples are classified as pure substance?

-tin, sulfur, diamond

2. What characteristic is common among the materials you classed as pure substance?

-fixed boiling and melting points.

3. Which of the given samples are classified as mixture?

-substances composed of two or more forms of matter.

4 What characteristic is common among the materials you classified as mixture?

-Components of mixtures can be separated by simple physical methods.

Explanation:

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