Uce chemistry paper 1 - Study guides, Class notes & Summaries

1. Which one of the following elements reacts with nitrogen when heated? A. Copper. B. Zinc. C. Sulphur. D. Magnesium. 2. The reaction in which vegetable oil is changed to margarine is called A. dehydration. B. hydrogenation. C. hydration. D. saponification. 3. Ethene was bubbled through a solution of bromine in tetrachloromethane. The structure of the compound formed is A. B. C. D. 4. Element X belongs to group II in the Periodic Table. The formula of the oxide of X is A. XO. B. X2O....