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Question

Combustion is a:
  1. chemical process
  2. biological process
  3. physical process
  4. mechanical process

A
mechanical process
B
biological process
C
physical process
D
chemical process
Solution
Verified by Toppr

The chemical mechanism of their combustion is not yet clear, probably because oxidation of carbon monoxide, a reaction that is part of the combustion of practically all-natural fuels, usually occurs in the presence of hydrogen or hydrogen compounds.

Hence, combustion is a chemical process.

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