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JAMB Chemistry 1978 Question 13

Question 13

Petroleum and Coal

When large hydrocarbon molecules are heated at high temperature in the presence of a catalyst to give smaller molecules, the process is known as

  1. A.disintegration
  2. B.polymerization
  3. C.cracking
  4. D.degradation
  5. E.distillation
Show the answer and explanation

Answer: C (cracking)

Explanation

Breaking large hydrocarbon molecules into smaller ones using heat and a catalyst is called (catalytic) cracking.