EASY
8th Telangana Board
IMPORTANT
Earn 100

Draw the diagram of candle flame and label all the zones.

Important Questions on Combustion, Fuels and Flame

EASY
8th Telangana Board
IMPORTANT
What precautions are to be taken while pouring water on fire?
EASY
8th Telangana Board
IMPORTANT
Give an example of a good fuel. How do you choose that fuel? Explain.
EASY
8th Telangana Board
IMPORTANT
It is difficult to burn a heap of green leaves but not a heap of dry leaves. Explain why?
EASY
8th Telangana Board
IMPORTANT
Where do you find spontaneous combustion and rapid combustion in your daily life?
EASY
8th Telangana Board
IMPORTANT
Why the fire brigade start the work by putting off the electric mains?
EASY
8th Telangana Board
IMPORTANT

Explain giving reasons: In which of the following situations water will get heated in a shorter time?

a) Srikar kept water beaker near the wick in the yellow part of a candle flame.

b) Sonu kept water beaker in the outermost part of the flame.

EASY
8th Telangana Board
IMPORTANT
 Why is phosphorus preserved in water?
EASY
8th Telangana Board
IMPORTANT
How do you feel about “Fuels have become a part of human life”?