Question

State the type of reaction that is taking place [5]

i] PbO₂ + SO₂ ------------ PbSO₄

ii] Cl₂ + 2KBr ---------- 2KCl + Br₂

iii] CaCO₃ -------------- CaO + CO₂

iv] 2KClO₃ -------------- 2KCl + 3O₂

v] AgNO₃ + NaCl --------- AgCl + NaNO₃

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Answer 1

Answer:

i) combination reaction

ii) displacement reaction

iii) decomposition reaction

iv) decomposition reaction

v) double displacement reaction

Answer 2

Answer:

(1) = combination reaction

(2) = double displacement reaction

(3) = combination reaction

(4) = decomposition reaction

(5) = double displacement reaction