The correct answer is A. toluene.
Saccharin is an artificial sweetener that is 200-700 times sweeter than sugar. It is used in a variety of foods and beverages, including diet sodas, candies, and baked goods. Saccharin is not metabolized by the body and is excreted unchanged in the urine. It is generally considered safe for human consumption, but it has been linked to some health concerns, such as cancer in laboratory animals.
Toluene is a colorless, flammable liquid that is used as a solvent and in the production of other chemicals. It is a known carcinogen and can cause a variety of health problems, including respiratory problems, skin irritation, and cancer.
Phenol is a white, crystalline solid that is used as a disinfectant and antiseptic. It is also used in the production of other chemicals. Phenol is a known carcinogen and can cause a variety of health problems, including skin irritation, respiratory problems, and cancer.
Propane is a colorless, odorless gas that is used as a fuel. It is also used in the production of other chemicals. Propane is not considered to be a carcinogen.
Butane is a colorless, flammable gas that is used as a fuel. It is also used in the production of other chemicals. Butane is not considered to be a carcinogen.