Question

39) Which element is used in manufacture of insectisisdes and pesticides like DDT and BHC

Answer 1

Part I - Definition of Insecticide or Pesticide

Chemical substances used for killing insects that destroy food crops.

Part II - Full form of DDT and BHC

DDT - Dichloro diphenyl trichloroethane

BHC - Benzene Hexachloride

Part III - Elements used in manufacture of insecticide and pesticide and Reasons for being Used

Chlorine is the element which is used in manufacture of insecticide and pesticide because it causes severe toxicity for insects and pests when sprayed leading to their death.