railway RRB ALP (CBT 1 + CBT 2 + CBAT) Mock Test Series 2025 (New) General Science Chemistry Chemical Reaction
Which of the following statements is correct?
1
The innermost zone of candle flame is the zone of incomplete combustion and is moderately hot.
2
The outermost zone of candle flame is luminous and is the hottest.
3
The middle zone of candle flame is black and is the least hot.
4
The outermost zone of candle flame is the zone of complete combustion and is the hottest.