Need to make a new compound? Use a carcinogen
Liquid/liquid extraction? Carcinogen
Neutralize a reactive compound? Carcinogen
Clean your glassware? Believe it or not, carcinogen.
Chemists have the most applicable skills of any science majors, and it’s all because of carcinogens.
I’m all for science, but I don’t want to risk her coming back. The safest plan is to use fire and acid. I don’t know if it’s necessary, but fire and acid will finish off all manner of villains.