Why is the colour of outer zone of a candle flame is blue while middle zone is yellow coloured ?
Outermost Zone : It is blue coloured because complete combustion takes place in this part due to sufficient amount of oxygen. It is the hottest part of the flame.
Middle Zone : The colour of the middle zone is yellow because incomplete combustion takes place in this part with the lack of oxygen. It is less hot part than outer part of the flame.
Why is water poured on wood to extinguish burning wood ?
Why does an empty paper glass catch fire easily but one having water in it does not burn ?
How does fire brigade work to extinguish fire ?
Why does wood not burn with a burning matchstick ?
