Flame is the ___________and _______ part of the fire.
visible
gaseous
Therefore, a flame is the visible and gaseous part of the fire.
Name the various zones of a candle flame. Which zone (or part) of a candle flame is the least hot (or coldest) ?
The outermost zone of a candle flame is the :
(a) least hot part
(b) coldest part
(c) hottest part
(d) moderately hot part
(a) What is a flame? What type of substances, on burning, give a flame?
(b) What is the difference between the burning of a candle and the burning of a fuel like coal ?
What type of fuels : (a) burn with a flame? (b) burn without a flame?