write defination of impure substances
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Impure substances are made up of different kinds of elements combined together or more pure substances mixed together in any proportion. Impure substances are also called mixtures.
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A pure substance is a substance that is made up of just one chemical element or compound. An impure substance is made of two or more elements or compounds that are not bonded together chemically.
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A pure substance is a substance that is made up of just one chemical element or compound. An impure substance is made of two or more elements or compounds that are not bonded together chemically.
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