

InterviewSolution
Saved Bookmarks
1. |
Which of the following metals continue to burn in the atmosphere of `CO_(2)` ? (i) `Na` (ii) `K` (iii) `Mg` (iv) `Ca`A. (i), (ii)B. (iii), (iv)C. (i), (ii), (iii), (iv)D. (ii), (iii), (iv) |
Answer» Correct Answer - C Certain active metals such as `Na, K, Mg`, and `Ca` continue to burn in the atmosphere of `CO_(2)` as they extract oxygen from it, i.e., `CO_(2)` reacts with burning metal: `2Ca(s) + CO_(2)(g) overset(Delta)rarr 2CaO(s) + C(s)` |
|