Q. Which of the following substances are known to be toxic or carcinogenic?- Benzene
- Phenol
- Naphthalene
- Aniline
Select the correct option from the codes given below:
Answer:
1, 2, 3, and 4
Notes: Benzene is carcinogenic and linked to leukemia. Phenol is toxic and causes severe burns. Naphthalene is toxic, especially to red blood cells. Aniline is toxic and can induce methemoglobinemia. All four substances are hazardous due to their toxic or carcinogenic properties.