+ Oxygen 2 Magnesium + Oxygen 3 Iron + Sulphur 4 | Sulphur + Oxygen 5 Hydrogen + Oxygen 4.1 Identify the reactant(s) in the following reactions. 2 4.2 identify the product(s) in the following reactions. 3: -> - - Carbon Dioxide Magnesium Oxide Iron Sulphide Sulphur Dioxide Water