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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,第二单元钠、镁及其化合物,第1课时金属钠性质与应用,专题,2,从海水中取得化学物质,1/37,2/37,化合态,氯化钠,碳酸钠,硫酸钠,银白色,低,小,3/37,还原,4/37,5/37,6/37,7/37,碱,淡黄色,8/37,供氧,9/37,10/37,11/37,12/37,13/37,14/37,15/37,16/37,17/37,18/37,19/37,20/37,21/37,22/37,23/37,24/37,25/37,26/37,27/37,28/37,29/37,30/37,31/37,32/37,33/37,34/37,35/37,36/37,谢谢观看,37/37,
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