Set of
Properties
Pure Substances
Appearance
Melting point
Boiling point
What is It
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Set of
Properties
Pure Substances
Appearance
Melting point
Boiling point
What is It
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Answer:
A pure substance has a sharp melting point (melts at one temperature) and a sharp boiling point (boils at one temperature). A mixture melts over a range of temperatures and boils over a range of temperatures. Homogeneous mixtures are called solutions. (b) heterogeneous (non-uniform composition throughout the sample).
Explanation: