Westron is a highly toxic halogen derivative liquid used as fumigant and insecticide formed the reaction of acetylene with the halogen that is
Fluorine
Chlorine
Bromine
Iodine
Westron is 1,1,2,2, -tetrachloroethane
The halogen that is used as a germicide and disinfectant is:
The halogen that is used as an antiseptic is: