1. (i) Outline the steps that would be necessary to convert insoluble lead (II) oxide into insoluble lead chloride.   2. (ii) Write the balanced equations for the reactions required to convert insoluble lead (II) oxide into insoluble lead chloride   3. (iii) If iron reacts with dilute sulphuric acid, what will be the products?   4. (iv) A solution of iron (III) chloride has a pH less than 7. Is the solution acidic or alkaline?