A:在碱性溶液中:CO32﹣、K+、S2﹣、Na+
B:与铝粉反应放出氢气的无色溶液中:NO3﹣、Mg2+、Na+、SO42﹣
C:在 c(H+)c(OH−) =1×1012的溶液中:NH4+、AlO2﹣、C1﹣、K+
D:在中性溶液中:Fe3+、C1﹣、NO3﹣、A13+
关于“美丽”、“富饶”的宝岛台湾,说法不正确的有( )
⑴Can your father run?____ A. Yes,it can.
⑵Can your mother run? ____ B. Yes,she can.
⑶Can your cat run? ____ C. Yes,I can.
⑷Can your bird run? ____ D. Yes,he can.
⑸Can you run? ____ E. Yes,they can.
⑹Can Eddie and Kitty run? ____ F. No,it can't.
下列物质属于纯净物的是()