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青铜是纯净物吗氨气是酸还是碱

更新时间: 2020-09-24 00:00:00     

1·青铜是混合物,主要成分是铜,多数青铜为铜锡合金,有时也指铜和铝、硅、铍、锰所组成的二元或多元合金。

2·氨气既不是酸,也不是碱,氨气属于非金属的气态氢化物,不符合酸或碱的定义,氨气可溶于水生成一水合氨,一水合氨属于弱碱,而氨气溶于水后的溶液别称为氨水,属于混合物。

关键词: 青铜 纯净 氨气 还是

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