Question

a student was given a mixture of iron and sulphur. he separated the mixture with the help of a magnet. he mixed the components again and heated them strongly. he observed that it was converted to a black mass. now he bought a magnet near it but could not separate iron from it. which of the following statements explains his observations.

Answer 1

Answer:

When sulphur and iron filings are mixed and heated they form FeS (ferrous sulphide). The FeS is in black colour.

Fe+S⟶FeS

Black colour compound.

Explanation:

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