Question

What type of reaction is the rusting of iron?
(a) single composition
(b) simple decomposition
(c) single replacement
(d) double replacement

Answer 1

(a) single composition

Explanation:

Rusting of iron it happens when iron will react with oxygen to form iron (III) oxide.

4 Fe + 3 O₂ → 2 Fe₂O₃

This reaction is a single composition reaction because two elements will react to form a single substance.

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types of chemical reactions

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