When you mix iron filings with sulphur powder thoroughly and spread the mixture evenly
on a white sheet, the particles in the mixture appear :(a) Grey and yellow particles can be seen distinctly, spread uniformly(b) Grey and yellow particles can be seen distinctly, but they are not spreed uniformly(c) Grey and yellow particles can not be seen distinctly(d) only yellow particles can be seen distinctly

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Solution

When iron fillings and sulphur are mixed , they form a heterogeneous mixture. When we mix these two things, then a yellow powder and some iron fillings are visible. These particles can be seen distinctly as there is no reaction occur between iron filings and sulphur without heating.

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