Question

a). IRON + SULPHUR ----- IRON
SULPHIDE
O DIRECT COMBINATION REACTION
O
DECOMPOSITION REACTION
O SIMPLE DISPLACEMENT REACTION
O
DOUBLE DECOMPOSITION
REACTION​

Answer 1

Answer:

Decomposition reaction

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Answer 2

Answer:

DIRECT COMBINATION REACTION

Explanation:

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.