Question

name the gas which help in combustion

Answer 1

$<b><u >$ Answer :- The gas which promotes or helps in combustion is oxygen. Molecular formula of oxygen :- O2

Answer 2

complete combustion.in complete combustion,the burning fuel while produce only water and carbon dioxide(no smoke or other products).the flame is typically blue.for this to happen,there needs to be enough oxygen to combine completely with the fuel gas..

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