MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
Which of the mentioned are the principal constituents of an organic compound? |
| A. | Carbon, Oxygen and Nitrogen |
| B. | Carbon, Oxygen and Hydrogen |
| C. | Carbon, Oxygen and Sulphur |
| D. | Carbon, Oxygen and Sulphur |
| Answer» C. Carbon, Oxygen and Sulphur | |