Multiple choice

The process of breaking a larger hydrocarbon molecule into smaller ones by heating in the presence of a catalyst is known as

  1. cracking

  2. fission

  3. centrifugation

  4. fusion
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A Correct answer
Explanation

Cracking is the process of breaking large hydrocarbon molecules into smaller ones by heating with a catalyst. Fission is nuclear splitting, centrifugation separates by density, and fusion combines nuclei - all incorrect for this context.

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