①16H++10Z﹣+2XO4﹣=2X2++5Z2+8H2O
②2A2++B2=2A3++2B﹣
③2B﹣+Z2=B2+2Z﹣
根据上述反应,判断下列结论错误的是( )
A:①中X2+是氧化产物
B:还原性强弱的顺序为:Z﹣>A2+
C:氧化性强弱的顺序为:XO4﹣>B2
D:溶液中可发生:Z2+2A2+=2A3++2Z﹣
The machine is used keeping the air wet.