Question

is used to make the active substance CO2 in
fire extinguisher​

Answer 1

Sodium bicarbonate

Sodium bicarbonate, regular or ordinary used on class B and C fires, was the first of the dry chemical agents developed. In the heat of a fire, it releases a cloud of carbon dioxide that smothers the fire. That is, the gas drives oxygen away from the fire, thus stopping the chemical reaction.

Answer 2

Answer:

Yes we used to make the active substance co2 in fire extinguishers