Question

4 properties of pure substance​

Answer 1

Answer:

1. A pure substance is a material with a constant chemical composition throughout its entire mass.

2. A pure substance can exist in one or more physical phases such as a solid, liquid or vapor.

3. Most pure substances have a well defined Triple Point where all three phases exist in equilibrium.

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

5. These substances mainly have a constant or uniform composition throughout.

6. The substances have fixed boiling and melting points.

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