Titration of an acid against a base is a method often used in the preparation of salts. Which properties of the acid, the base and the salt are required if this method is to be used?

Which ion reacts with aqueous ammonia to give a precipitate that dissolves in an excess of ammonia?

Which statement about aqueous sodium chloride is correct?

Which compound is insoluble in water?

Which pair of gases could be removed from the atmosphere using calcium carbonate?

In which parts of a motor car do the reactions, shown in the equations, take place?

The diagrams show four monomers. How many of these monomers would react with the molecule below to form a polymer?