MCQOPTIONS
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| 1. |
Which of the following is an example of a molecule whose centre of mass of positive and negative charges does not coincide each other? |
| A. | NH<sub>3</sub> |
| B. | H<sub>2</sub> |
| C. | CH<sub>4</sub> |
| D. | CO<sub>2</sub> |
| Answer» B. H<sub>2</sub> | |