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In some combustion reactions, a single oxide product forms, which means they are also combination reactions.

S(s) + O₂(g)-^ SO₂(g)

2Al(s) + 30₂(g)-- 2Al 203(5)

Table 7.4 summarizes the reaction types and gives examples.

Tabłe 7.4 Summary of Reaction Types

Reaction Type    Example

Combination

A + B-* AB    Ca(s) + C\₂(g)-CaCl₂(s)

Decomposition

AB-> A + B    Fe₂S₃(s)-^ 2Fe(s) + 3S (s)

Single Replacement

A + BC-^ AC + B    Cu(5) + 2AgN0₃(a<_?)-v Cu(N0₃)₂(fl<?) + 2Ag(s)

Double Replacement

AB + CD-AD + CB    BaCU(aq) + K₂S0₄(aq)-BaS0₄(^> + 2KO(aq)

Combustion

AH₄ + 20₂ -> A0₂ + 2H₂0 + heat CH₄(g) + 20₂(g)-C0₃(g) + 2H₂0(g) + heat

B + 0₂-^ B0₂    S(s) + O₂(g)-> S0₂(g)