Consider the following word equation:
iron + sulfur → iron sulfide
Identify which one of the following statements is true.
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Answer:
exothermic reaction
It shows the exothermic reaction of two elements, iron and sulfur, to form the compound, iron sulfide. The two solids are mixed and heated in a test-tube (or ignition tube). The reaction can be used to illustrate elements, mixtures and compounds.
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