Of the Reactions Below, Which One Is Not a Combination

question 28

Multiple Choice

Of the reactions below, which one is not a combination reaction?

• A) 2CH₄ + 4O₂ -2CO₂ + 4H₂O
• B) CaO + H₂O - Ca(OH)₂
• C) 2Mg + O₂ - 2MgO
• D) C + O₂ - CO₂
• E) 2N₂ + 3H₂ - 2NH₃

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