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Question
Air is a pure substance.
Air is a pure substance.
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Solution
The correct option is B mixture
Pure substances are formed by particles of identical nature while mixtures are formed by mixing two or more than two pure substances.
Air is a mixture of several gases such as nitrogen, oxygen, carbon dioxide and other gases. There is no chemical reaction taking place during its formation.
mixture
Pure substances are formed by particles of identical nature while mixtures are formed by mixing two or more than two pure substances.
Air is a mixture of several gases such as nitrogen, oxygen, carbon dioxide and other gases. There is no chemical reaction taking place during its formation.
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