题目:
下列各组中两溶液间的反应,均可用同一离子方程式表示的是
A.HCl和Na2CO3、HCl和NaHCO3
B.铜和浓硝酸、铜和稀硝酸
C.KOH和CuCl2、Ba(OH)2与CuCl2
D.铁和稀盐酸、铁和稀硝酸
答案:
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