-place in order of reactivity: calcium, copper, (hydrogen), iron, magnesium, potassium, sodium and zinc by reference to the reactions, if any, of the metals with water or steam, dilute hydrochloric acid and the reduction of their oxides with carbon -describe the reactivity series as related to the tendency of a metal to form its positive ion, illustrated by its reaction, if any, with the aqueous ions, the oxides of the other listed metals -describe the action of heat on the hydroxides and nitrates of the listed metals -account for the apparent unreactivity of aluminium in terms of the oxide layer which adheres to the metal -describe the manufacture of lime (calcium oxide) from calcium carbonate (limestone) in terms of the chemical reactions involved. -name some uses of lime and slaked lime as in treating acidic soil and neutralising acidic industrial waste products [Cover under a different topic.] -name the uses of calcium carbonate in the manufacture of iron and of cement