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13.常温下,下列各组物质不能用一种试剂通过化学反应区别的是(A)MnO2 CuO FeO(B)(NH4)2SO4 K2SO4 NH4Cl(C)AgNO3 KNO3 Na2CO3(D)Na2CO3 N
問題詳情
13.常温下,下列各组物质不能用一种试剂通过化学反应区别的是
(A)MnO2 CuO FeO
(B)(NH4)2SO4 K2SO4 NH4Cl
(C)AgNO3 KNO3 Na2CO3
(D)Na2CO3 NaHCO3 K2CO3
參考答案
答案:D
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)
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