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of the lesson; you will be asked to answer the following questions below. 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




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Of The Lesson You Will Be Asked To Answer The Following Questions Below Guide Questions 1 What Is A Pure Substance 2 What Are The Properties Of Pure Substances class=

Sagot :

Answer:

1.Pure substances are substances that are made up of only one kind of particles and has a fixed or constant structure.

2. Characteristic/Properties of Pure Substances are;

Pure substances are mostly homogeneous in nature containing only one type of atoms or molecules.

These substances mainly have a constant or uniform composition throughout.

The substances have fixed boiling and melting points.

A pure substance usually participates in a chemical reaction to form predictable products.

3. Appearance : all one color. because it has the same appearance and properties

Melting Point: is the temperature at which the substance changes from a solid to a liquid. For a pure substance, melting occurs at a single temperature.

Boiling Point: is the temperature at which the substance transitions from a liquid to the gaseous phase