MEDIUM
8th CBSE
IMPORTANT
Earn 100

A flame always points upwards. Why do you think this is so?

Important Questions on Combustion and Flame

MEDIUM
8th CBSE
IMPORTANT
When a candle burns, is it possible to get the wax back
  • after the wax melts?
  • after the wax burns?
EASY
8th CBSE
IMPORTANT
Why do we wrap a blanket around a person whose clothes have caught fire?
HARD
8th CBSE
IMPORTANT
Why do forest fires occur during hot summers?
MEDIUM
8th CBSE
IMPORTANT
Why is it easier to burn dry leaves but not green leaves?
MEDIUM
8th CBSE
IMPORTANT
Namita noticed that the LPG gas stove in her kitchen was giving out yellow flame and blackening the utensils. She cleaned the stove burners. The flame then became blue and stopped blackening the utensils. She explained to her parents that the stove was not burning efficiently and wasting fuel because it was dirty. What values did Namita show?