The correct answer is D. 1, 2 and 3.
Nitrobenzene is a highly toxic chemical that is readily absorbed through the skin. It is used in the production of aniline, a chemical used in the manufacture of dyes, drugs, and explosives. Nitrobenzene is also used in shoe and floor polishes, but its use in these products has been declining due to its toxicity.
Nitrobenzene is a colorless, oily liquid with a sweet odor. It is slightly soluble in water but more soluble in organic solvents. Nitrobenzene is a carcinogen and can cause cancer of the liver, kidney, and bladder. It can also cause damage to the central nervous system, including headaches, dizziness, and seizures.
Nitrobenzene is a dangerous chemical that should be handled with care. If you are exposed to nitrobenzene, it is important to seek medical attention immediately.