Select the substance that is most toxic to rats

Reference no: EM13745276

Below is a list of chemicals with their oral LD50 in mg/kg(rats). Select the substance that is MOST toxic to rats.
1.DDT, 87 mg/kg
2.malathion, 885 mg/kg
3.carbaryl (sevin), 307 mg/kg
4.Parathion, 3 mg/kg

Reference no: EM13745276

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