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题文

下列有关NaHCO3与Na2CO3的说法中,正确的是

A.分别加热两种样品,没有残留物质的是NaHCO3
B.分别配成溶液,再加入石灰水,无白色沉淀生成的是NaHCO3 
C.分别与相同物质的量浓度的盐酸反应,产生CO2的速率:Na2CO3<NaHCO3
D.二者在一定条件下不能相互转化
科目 化学   题型 选择题   难度 容易
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