substance can be separated by chemical change only then it is
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Mixtures can be separated into pure substances by physical methods. ... Compounds are substances composed of two or more elements chemically combined that can be separated into simpler substances only by chemical means. Water, for example, is a compound because pure water is composed of only H2O molecules.
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Answer:COMPOUNDSARE THE SUBSTANCE WHICH CAN BE SAPERATED BY CHEMICAL CHANGE ONLY
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