Multiple choice

When charcoal burns, the carbon of the charcoal combines with the oxygen of the air to form

  1. carbon monoxide

  2. carbon dioxide

  3. carbon oxide

  4. carbon disulphide

  5. carbonic acid
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is the correct option. When charcoal burns, the carbon of the charcoal combines with the oxygen of the air to form carbon dioxide.

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