Question

What is carbon monoxide how does it form in a closed room?

Answer 1

when carbon burns in enough o2 environment it makes co2 but in closed room lack of o2 it makes co
a)c+o2---->co2
b)c+1/2o2---->co

Answer 2

it is a deadly colourless gas formed when fules like wood, kerosone do not burn completely..
When a (fire) burns in a closed room, the oxygen in that room is replaced by this Carbon Monoxide(CO). The person sleeping in that room may even die.
This gas reduce the amount of oxygen carried by the red blood cells and the supply of oxygen to the brain and heart is reduced causing these organs to not function well.

hope it helped u...