MCQOPTIONS
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MCQOPTIONS
| 1. |
Which_is_the_correct_formula_of_Freon-12?$ |
| A. | CCl<sub>2</sub>F<sub>2</sub> |
| B. | CClF<sub>3</sub> |
| C. | CHCl<sub>2</sub>F |
| D. | CCl<sub>3</sub>F |
| Answer» B. CClF<sub>3</sub> | |