Exam (elaborations)
Exam (elaborations) Chemistry Assessment2120
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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 so...
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