(a) Name the major raw materials used in the manufacture of the following: (i) polythene (ii) margarine (iii) cement (b) State one problem associated with o...
Question 1 Report
(a) Name the major raw materials used in the manufacture of the following:
(i) polythene
(ii) margarine
(iii) cement
(b) State one problem associated with oil producing areas
Answer Details
(a) Major raw materials
| Product | Major raw material |
|---|---|
| (i) Polythene | Ethene (ethylene), obtained from the cracking of petroleum fractions |
| (ii) Margarine | Vegetable oil (unsaturated oil) together with hydrogen gas (hardened by hydrogenation) |
| (iii) Cement | Limestone (calcium trioxocarbonate (IV)) together with clay |
(b) One problem associated with oil producing areas
Environmental pollution caused by oil spillage, which destroys aquatic life, farmland and drinking water. (Air pollution from gas flaring is also acceptable.)
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