Multiple choice

Wood cannot burn by just bringing a matchstick near it, because

  1. ignition temperature of wood is low

  2. ignition temperature of wood is high

  3. wood is a non combustible substance

  4. wood is an inflammable substance

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

Wood has a relatively high ignition temperature (around 300°C). A matchstick produces brief, localized heat that is insufficient to raise the wood's temperature to its ignition point before the match extinguishes. Sustained contact or kindling is needed to reach the ignition temperature.