单词 | sulphur dioxide |
释义 | Word Frequency sulphur dioxidenoun a colourless soluble pungent gas produced by burning sulphur. It is both an oxidizing and a reducing agent and is used in the manufacture of sulphuric acid, the preservationof a wide range of foodstuffs (E220), bleaching, and disinfecting. Formula: SO2 Systematic name: sulphur(IV) oxide |
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