Question

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Guide Questions:
1. What is a pure substance?
2. What are the properties of pure substances?
3. Tabulate your answers about pure substances.
Set of Properties
Pure Substances
Appearance
Melting point
Boiling point​

Answer 1

The guide questions can be answered as follows:

Explanation:

• A pure substance can simply be described as a substance having constant chemical composition.
• The properties of a pure substance are: A pure substance is homogenous in nature and is made of the same kind of atoms. The pure substances have a fixed melting and boiling point.
• The appearance of a pure substance is uniform. The melting and boiling point are fixed or constant.