JAMB - Chemistry (2015 - No. 51)
The substance that is used in the steel industry for the removal of carbon. Sulphur and phosphorus impurities from pig iron is
oxygen
chlorine
nitrogen
hydrogen
ব্যাখ্যা
Oxygen is a substance that is used to remove impurities from pig iron. Options B, C, D will be effective in removing impurities positive]