Question

Which one of the following gases is used in combustion?

(a) Hydrogen

(b) Oxygen

(c) Nitrogen

(d) Carbon dioxide​

Answer 1

Answer:

Mainly in combustion processes, a few extra chemicals are produced during the combustion reactions. Some of the chemicals formed include sulphur dioxide, carbon monoxide, nitrogen dioxide, nitric oxide, soot, and ash should be correctly measured and reduced.

so the answer is probably nitrogen or oxygen so what the f@#* should I do now

Answer 2

this questions answer is Oxygen