Answer:
(a) CH₄ + 2O₂ ----> CO₂ + 2H₂O
(b) 2CH₄ + 3O₂ ----> 2CO + 4H₂O
Step-by-step explanation:
The burning of methane in an insufficient supply of air leads to incomplete combustion releasing carbon monoxide which is extremely poisonous and cause death.
When methane burnt in air or oxygen, it produces large amounts of heat, together with carbon dioxide and water vapour