Chemistry
What are the characteristic properties of a pure substance? Why do we need them?
Elements, Compounds & Mixtures
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Answer
The characteristic properties of a pure substance are:
- They have a definite composition and a definite set of properties like boiling point, melting point, density etc.
- They are all homogeneous i.e. their composition is uniform throughout the bulk.
We need pure substances to:
- Prepare medicines.
- Maintain good health of human beings.
- Prepare chemicals in laboratories.
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