Write the balanced chemical equations for the following and identify the type of reaction in each case.
i. Potassium bromide(aq) + Barium iodide(aq) → Potassium iodide(aq) + Barium bromide(s)
ii. Zinc carbonate(s) → Zinc oxide(s) + Carbon dioxide(g)
iii. Hydrogen(g) + Chlorine(g) → Hydrogen chloride(g)
iv. Magnesium(s) + Hydrochloric acid(aq) → Magnesium chloride(aq) + Hydrogen
