Question

please answer for 13th question... ​

Answer 1

in sufficent amount of oxygen there is formation of carbon di oxide and in insufficent oxygen there is formation of carbon mono oxide

Answer 2

hey mate

your answer is below

when combustion of coal and petroleum takes place in sufficient air they combust completely to produce carbon di oxide

and when there is insufficient air or least oxygen

there is incomeplete combustion

and lesat realese of Carbon di oxide

hope it helps