Multiple choice

During the burning of fuels, carbon and hydrogen present in the fuels are

  1. converted to alkenes

  2. converted into carbon dioxide and water vapour

  3. converted to precipitates

  4. converted into alkanes
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

During the burning of fuels, carbon and hydrogen present in the fuels are released into the atmosphere in the form of carbon oxides and water vapors.

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