Write the chemical equations for the reactions between the following substances.
(a) Dilute hydrochloric acid and magnesium metal.
(1 mark)
(b) Dilute sulphuric (VI) acid and potassium hydrogen carbonate solution.
(c) Magnesium and steam.
(d) Magnesium and water.
(e) Copper (II) oxide and hydrogen gas
(4 marks)