Question

what are pure substance?give two example​

Answer 1

Explanation:

1. A pure substance is a form of matter that has a constant composition and properties that are constant throughout the sample.
2. Mixtures are physical combinations of two or more elements and/or compounds.
3. Mixtures can be classified as homogeneous or heterogeneous.
4. The substances that are free from any kind of mixture and contain only one kind of particle are pure substances.

Examples of pure substances :

• are iron,
• aluminum,
• silver and
• gold.

Answer 2

Answer:

A pure substance is a single substance on its own. E.g- gold, copper

Explanation:

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