Iron and sulfur reaction

A close up of someone using a spoon to add sulfur powder to a weighing boat on top of a balance

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This demonstration or class experiment shows the exothermic reaction of iron and sulphur. Includes kit list and safety instructions.

The iron–sulfur reaction can be carried out as a demonstration or class experiment. The two solids are mixed and heated in a test tube (or ignition tube) to form the compound, iron sulfide.

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