Question

physic practical manual of class 9 ​

Answer 1

Answer:

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⚡A pure substance consists of a single type of particles. In other words, a substance is a pure single form of matter. As we look around, we can see that most of the matter around us exist as mixtures of two or more pure components, for example, sea water, minerals, soil etc. are all mixtures.⚡

Explanation:

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