单词 | hydrogen cyanide |
释义 | Word Frequency hydrogen cyanidenoun a colourless poisonous liquid with a faint odour of bitter almonds, usually made by a catalysed reaction between ammonia, oxygen, and methane. It forms prussic acid in aqueous solution and is used for making plastics and dyes and as a war gas. Formula: HCN Also called: hydrocyanic acid |
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