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iron and rust are the same substance true or false iron and rust are the same substance true or false class 7 iron and rust are the same substance true or false explain iron and rust are not the same substance true or false iron and rust are the same substance true ya false iron and rust are the some substance true or false iron and rust are the different substances true or false iron and rust are the same substance or not write true or false iron and rust are the same substance state whether the following statements are true or false iron and rust are the same substance
