Language of Chemistry For each description: i) write a correct word equation ii) write a correct skeleton equation, indicate the state symbols(s, l, g, aq) iii) write a correct balanced chemical equation iv) classify the reaction by type 1) Calcium metal and water react, giving hydrogen gas and calcium hydroxide. 2) Aluminium metal quickly reacts with the oxygen in the air to produce aluminium oxide. 3) Hydrogen sulphate (sulphuric acid) and sodium hydroxide react, producing sodium sulphate and water. 4) Sodium chloride and oxygen are produced by heating sodium chlorate. 5) Silver nitrate and potassium phosphate react together producing silver phosphate and potassium nitrate. 6) Aluminium oxide and copper metal are the products of a reaction between copper (II) oxide and aluminium metal. 7) Magnesium and phosphorous (P4) react together, producing magnesium phosphide. 8) Lead (II) nitrate and potassium iodide react producing lead (II) iodide, a bright yellow precipitate, and potassium nitrate, which stays in solution.