Is fresh air free of dust particles and impurities of all other kind ,a pure substance?
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Pure substances are substances with only one type of constituent particles.Elements and compounds are pure substances.
Fresh air is a mixture of many gases like nitrogen,oxygen, carbon dioxide and dust particles. So fresh air is an example for mixture.
Fresh air is a mixture of many gases like nitrogen,oxygen, carbon dioxide and dust particles. So fresh air is an example for mixture.
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A pure substance does not consists of any of the other particle ,it is totally pure.
the fresh air does not consists of any impurities but consists different kinds of gases.
the fresh air does not consists of any impurities but consists different kinds of gases.
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