Assertion: carbon tetrachloride | /r/CapableOf | create phosgene
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Source sentences:
text: If it is overheated steam, carbon tetrachloride can also be decomposed to create phosgene, even without the presence of a metal catalyst.
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).