Question

give two reason why it is desirable that a fuel should undergo complete and controllable combustion.​

Answer 1

Answer:

Yes

Explanation:this is because fuel contain many green house gases which on incomplete combustion lead to the formation of poisonous hydrogen sulphide and many other

Answer 2

Answer:

Reason

1) carbon monoxide is formed. This gas is highly poisonous and cause respiratory problem. It may also prove to be fatal

2)A part of unburned carbon passes into atmosphere in form of soot.