Multiple choice general knowledge science & technology By what initials do we more commonly know Dichlorodiphenyltrichloroethane? DCE DDT DCL NONE OF THE ABOVE Reveal answer Fill a bubble to check yourself B Correct answer Explanation Dichlorodiphenyltrichloroethane is commonly abbreviated as DDT, a well-known insecticide. The initials come from the first letters of each major component in its chemical name.