Multiple choice

Hydrocarbon contains ______.

  1. carbon and hydrogen

  2. carbon and oxygen

  3. carbon and nitrogen

  4. carbon and carbon dioxide
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

By definition, hydrocarbons are organic compounds containing only carbon and hydrogen atoms (like methane, ethane, benzene). Oxygen, nitrogen, and CO2 are not defining components.

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