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P BLOCK ELEMENTS
Question #40286
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Question
Which of the following reactions represents the complete combustion of a hydrocarbon?
A. 2Ca + O₂ → 2CaO
B. 2ZnS + 3O₂ → 2ZnO + 2SO₂
C. 4HCl + O₂ → 2Cl₂ + 2H₂O
D. CH₄ + 2O₂ → CO₂ + 2H₂O
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