Choose from the following chlorides to answer the questions. aluminium chloride ammonium chloride cobalt(II) chloride hydrogen chloride iron(III) chloride potassium chloride silver chloride sodium chloride Each chloride may be used once, more than once or not at all. State which chloride:

1. (a)contains a cation with a charge of 2+[1]
2. (b)reacts with aqueous sodium hydroxide to form a red-brown precipitate[1]
3. (c)is insoluble in water[1]
4. (d)reacts with sodium hydroxide when warmed to produce a gas which turns damp red litmus paper blue[1]
5. (e)when added to water can form an aqueous solution with a pH of 1.[1]