Multiple choice general knowledge science & technology

Lead is one of the two most toxic chemicals used in petrol that cause brain damage and leukemia. Which is the other?

  1. Sulphur

  2. Benzene

  3. Nitrogen Oxide

  4. SPM or Suspended Particulate Matter
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Benzene is the correct answer. Along with lead, benzene was historically used in petrol and is a known carcinogen that causes leukemia and other blood disorders. Benzene is an aromatic hydrocarbon added to increase octane rating. Sulphur and nitrogen oxides are pollutants but not used intentionally as additives.

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