Carbon dioxide is used for extinguishing fires caused by petroleum products but not fires caused by metals like Na or Mg. Explain.

Carbon dioxide is used for extinguishing fires caused by petroleum pro

1.	Carbon dioxide is used for extinguishing fires caused by petroleum products but not fires caused by metals like Na or Mg. Explain.
Answer» Solution :Active metals LIKE Na, Mg reacts with carbon dioxide and forming corresponding oxide and carbon MONOXIDE in trace amoundts which is harmful gas and also supported of COMBUSTION. And HENCE fires coused by metals like Na and Mg can not be exitinguished by `CO_(2)`.