MCQOPTIONS
Saved Bookmarks
| 1. |
Detect analogy Chlorine : Fluorine : Iodine |
| A. | These are halogens. |
| B. | These are gases at room temperature. |
| C. | These are names of inert gases. |
| D. | These are transition elements. |
| Answer» B. These are gases at room temperature. | |