Pure Substances and Mixtures; Separation of Mixtures — CHEMISTRY STD 6 — Question
ICSE BoardEnglish MediumSTD 6CHEMISTRYPure Substances and Mixtures; Separation of Mixtures2 Marks
Question
Define the following: Impure substance
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Answer
Impure substance: “A substance in which some other substances are also present in smaller or larger amounts is called an impure substance. Mixtures are impure substances. An example of an impure substance is air.
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