Question

Identify the type of the reaction in the following word equation.
1. Aluminum Sulphate (aq) + Barium chloride (aq) -----> Barium sulphate (Ppt) + Aluminum Chloride (aq)
2. Iron sulphate(S) ------> Iron oxide (S) + Sulphur dioxide (g) + Sulphur trioxide (g)
3. Iron oxide (S) + Aluminum (S) -----> Aluminum oxide (S) + Iron + Heat energy
4. Calcium oxide (S) + water (l) ------> Slaked lime (aq) + Heat energy
5. Manganese dioxide (S) + Hydrochloric acid (aq) ----> Manganese Chloride (S) + Chlorine (g) + Water (l)​

Answer 1

1) double displacement reaction or precipitation reaction

2) decomposition reaction

3) displacement reaction

4) combination reaction and exothermic reaction

5) redox reaction

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Answer 2

Explanation:

1) Al2(SO4)3 + 3BaCl2 → 3BaSO4 + 2AlCl3

2)2FeSO4 → Fe2O3 + SO2 + SO3