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Sagot :
Answer:
We need pure substances because of the following reasons: 1. A pure substance has a fixed melting and fixed boiling point. 2.
The characteristic of a pure substance is that it only contains atoms of only one kind. It has fixed physical and chemical properties, for example, melting point, boiling point, density, solubility, etc.
Explanation:
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Answer:
- Density
- A boiling point
- Solubility
We need pure substances because of the following reasons:
- A pure substance has a fixed melting and fixed boiling point.
- A pure substance has its characteristic taste, colour and odour.
- Pure substances can not be broken further into more simple substances by any physical means.
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