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Elements, Compounds, Symbols And Formulae — CHEMISTRY STD 6 — Question

ICSE BoardEnglish MediumSTD 6CHEMISTRYElements, Compounds, Symbols And Formulae2 Marks
Question
Define a pure substance. How many types of pure substances do you know?
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Answer

Pure substances: “A substance of a definite composition which has consistent properties throughout, is called a pure substance” Types of pure substances: Pure substances are of two types
(i) Elements
(ii) Compounds

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