What gas extinguishes a burning splint and is confirmed when it relights a glowing splint?
Answer and explanation
Correct answer: D. Oxygen gas
- Step 1: Oxygen is a vigorous supporter of combustion. Step 2. Placing a glowing wooden splint into oxygen gas causes it to reignite into a flame. Answer: Oxygen gas. Why not the others: Nitrogen extinguishes flames; hydrogen burns with a pop; carbon dioxide extinguishes burning splints without reignition.
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