Question

The gas used to extinguish fire is
a) oxygen b) hydrogenc) carbon dioxide d) ozone

Answer 1

Your answer is c) Carbon dioxide because it is denser than air and act as an blanket over fire, that minimize the supply from air. Thus, it makes the fire extinguish.

Answer 2

c) Carbon Dioxide.

Regular or ordinary used Carbon Dioxide as the important gas used to extinguish fire.

The first of dry chemical agents are developed.

Heat of a fire releases a cloud of carbon dioxide that smothers fire.

The gas drives oxygen away from the fire and stopping chemical reaction to the fire.