it is heterogenous
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Iron filings and sulfur are a mixture of two different substances, so they are considered heterogeneous because the individual components can be visually distinguished.
A mixture of iron filings and sulfur is heterogeneous because the iron and sulfur particles do not combine to form a uniform composition. They retain their individual properties and can be visually distinguished from each other.
Iron and sulfur mixed together would form a homogeneous mixture because the two elements can be evenly distributed throughout each other at a molecular level.
Yes, solid sulfur mixed with iron filings is a heterogeneous mixture. A heterogeneous mixture consists of two or more substances that are visibly distinguishable from each other. In this case, you can physically see and separate out the sulfur and iron filings.
brown powder
A magnet can be used to separate iron filings from sulfur as iron is magnetic whereas sulfur is not. Simply pass a magnet over the mixture to attract and remove the iron filings, leaving the sulfur behind.