MCQOPTIONS
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| 1. |
Dichloro diphenyl __________ is the full form of DDT (an insecticide). |
| A. | tetrachloroethane |
| B. | trichloroethane |
| C. | tetrachloromethane |
| D. | trichloromethane |
| Answer» C. tetrachloromethane | |