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  1. ...metal carbonate 鎂碳酸鹽-magnesium carbonate 金屬硫酸鹽-metal sulphate 沉澱物- precipitate 紅褐色沉澱物-Reddish brown precipitate 鋼氫氧化-iron hydroxide 鉀氯化物-potassium...

  2. ...pipetted into a conical flask and the PO43- ions in the solution were precipitated as MgNH4PO4. The precipitate was filtered, washed...

  3. ...)2 + CO2 --> CaCO3 + H2O CaCO3 係白色 precipitate (沉殿物), 加埋水(H2O)就變奶白色 當test CO2個陣就會用 而我...

  4. 唔係.....如果有smile...有熱ge 產生都可以叫有reation

  5. ...contain copper (II) ions which are reduced to a brick red precipitate of copper (I) oxide when the solution is heated. A ...