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O Level Chemistry MCQs – Certification Test 721

Exothermic Reactions Trivia (Question 721) – Learning App & e-Book Download

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MCQ: 721

Burning of methane (CH4) gives off heat and

  1. carbon dioxide (gas) only
  2. water (gas) only
  3. hydrogen gas
  4. carbon dioxide (gas) and water (gas)

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