Assertion: carbon tetrachloride | /r/ObjectUse | used on electrical fires
Facets:
Source sentences:
text: When used on electrical fires, carbon tetrachloride can react with oxygen in the air to produce phosgene (CCl 2 O), a poisonous gas used by Germany armies during World War I (1914–1918).
text: Besides the carcinogenic hazard this poses, an additional danger is that carbon tetrachloride can form phosgene gas (Cl 2 CO, used as a chemical weapon in World War I) when used on electrical fires.