MCQOPTIONS
Saved Bookmarks
| 1. |
Assertion (A): The slow process of conversion of dead vegetation into coal is called catenation. Reason (R): When heated in air, coal burns and produces mainly carbon dioxide gas. |
| A. | A is correct and R is the correct explanation of A. |
| B. | A is correct and R is not the correct explanation of |
| C. | A is correct and R is wrong. |
| D. | A is wrong and R is correct. |
| Answer» E. | |