Which of the following is not a combustible substance?
  1. Camphor
  2. Glass
  3. Straw
  4. Alcohol

AcademicChemistryNCERTClass 8

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.

Updated on 10-Oct-2022 13:25:41