Answer:Pure substances have a sharp melting point but mixtures melt over a range of temperatures. This difference is most easily seen when the temperature of a liquid is measured as it cools and freezes.
Explanation:a pure substance consists only of one element or one compound
a mixture consists of two or more different substances, not chemically joined together.
Answers & Comments
Answer:Pure substances have a sharp melting point but mixtures melt over a range of temperatures. This difference is most easily seen when the temperature of a liquid is measured as it cools and freezes.
Explanation:a pure substance consists only of one element or one compound
a mixture consists of two or more different substances, not chemically joined together.