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Railways PYQCBT 1 2016

RRB NTPC · Question 92

What happens when methane burns? A. Carbon monoxide emits B. Carbon ash remains C. Carbonate is formed D. Carbon dioxide and water come

  1. D

  2. C

  3. A

  4. B

Show answer & explanation

Answer: (A) D

Explanation

Methane burns in oxygen to give carbon dioxide and water: CH₄ + 2O₂ → CO₂ + 2H₂O.