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Nature of Matter: Elements, Compounds, and Mixtures — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceNature of Matter: Elements, Compounds, and Mixtures2 Marks
Question
What are pure substances?
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Answer

A pure substance is a type of matter that has a uniform and definite composition. It contains only one kind of particle, either a single element (like oxygen or gold) or a single compound (water or salt), and cannot be separated into other substances by physical means.

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