Which of the following is not a combustible substance?

1. Camphor
2. Glass
3. Straw
4. Alcohol

Correct Answer:  (b) Glass

Explanation: The substances which do not burn are called non-combustible substances. Some of the non-combustible substances are stone, glass, cement, soil, sand, iron nails, etc.

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Updated on: 31-Jan-2023

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