Iron filings may or may not be pure. The ones used in experiments with magnets may not be pure iron. Most iron filings may have a few impurities. But iron (Fe) filings that are reagent grade will be...
Iron, Fe, and sulfur, S, are two completely different elements (eg. one is a metal, the other is a yellow powderish non-metal, both insoluble in water) and iron sulfate is a compound, FeSO4, made of...
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