下列物质分离方法错误的是 A除去co2中混有的�量co导出点燃b粗盐提纯的步骤溶解→过滤→蒸�→冷却结晶→过滤c除去h2中混有的 Template




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tomski下列物质分离方法错误的是 a除去co2中混有的�量co导出点燃b粗盐提纯的步骤溶解→过滤→蒸�→冷却结晶→过滤c除去h2中混有的 coloring