Multiple choice

Which out of the following is not an inflammable substance?

  1. Petrol

  2. Wood

  3. Alcohol

  4. LPG

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Petrol, alcohol, and LPG have very low ignition temperatures and are classified as inflammable (easily ignitable). Wood is combustible but has a relatively high ignition temperature and requires sustained heat to burn. Wood is not considered an inflammable substance in the strict sense.