除去下列物质中的少量杂质(括号内为杂质)方法错误的是?A、氯化钠溶液(硝酸钾) 降温结晶A、氯化钠溶液(硝酸钾) 降温结晶 B、氧气(H20) 用生石灰C、碳酸钙粉末(碳酸钠)加水过
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![除去下列物质中的少量杂质(括号内为杂质)方法错误的是?A、氯化钠溶液(硝酸钾) 降温结晶A、氯化钠溶液(硝酸钾) 降温结晶 B、氧气(H20) 用生石灰C、碳酸钙粉末(碳酸钠)加水过](/uploads/image/z/6654871-55-1.jpg?t=%E9%99%A4%E5%8E%BB%E4%B8%8B%E5%88%97%E7%89%A9%E8%B4%A8%E4%B8%AD%E7%9A%84%E5%B0%91%E9%87%8F%E6%9D%82%E8%B4%A8%EF%BC%88%E6%8B%AC%E5%8F%B7%E5%86%85%E4%B8%BA%E6%9D%82%E8%B4%A8%EF%BC%89%E6%96%B9%E6%B3%95%E9%94%99%E8%AF%AF%E7%9A%84%E6%98%AF%3FA%E3%80%81%E6%B0%AF%E5%8C%96%E9%92%A0%E6%BA%B6%E6%B6%B2%EF%BC%88%E7%A1%9D%E9%85%B8%E9%92%BE%EF%BC%89+%E9%99%8D%E6%B8%A9%E7%BB%93%E6%99%B6A%E3%80%81%E6%B0%AF%E5%8C%96%E9%92%A0%E6%BA%B6%E6%B6%B2%EF%BC%88%E7%A1%9D%E9%85%B8%E9%92%BE%EF%BC%89+%E9%99%8D%E6%B8%A9%E7%BB%93%E6%99%B6+B%E3%80%81%E6%B0%A7%E6%B0%94%EF%BC%88H20%EF%BC%89+%E7%94%A8%E7%94%9F%E7%9F%B3%E7%81%B0C%E3%80%81%E7%A2%B3%E9%85%B8%E9%92%99%E7%B2%89%E6%9C%AB%EF%BC%88%E7%A2%B3%E9%85%B8%E9%92%A0%EF%BC%89%E5%8A%A0%E6%B0%B4%E8%BF%87)
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