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反応を交換し、水と水を生成.
1.H2SO4、HNO3、HCl2、KOH NaOH Ca(OH)2Ba(OH)23、HClO、H2CO3、H2SO3、CH3COOH4、NH3.H2O5、K、Ca、Na、Mg、H2、C、CO、、S2-、I-、Br-、6、O2、Cl2、KMnO4、濃H2SO4、HNO3Fe3+、Cu2+...
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