MCQOPTIONS
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| 1. |
%_Parathion and Malathion are_% |
| A. | Pesticides |
| B. | Plasticisers for unsaturated polysters |
| C. | Pain-relieving drugs (analgesic) |
| D. | Tranquilisers |
| Answer» B. Plasticisers for unsaturated polysters | |