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下列反应的离子方程式书写正确的是( ) A.亚硫酸钠溶液中加入稀硝酸:SO32-+2H+═SO2+H2O B.硝酸亚铁溶液中加足量稀硫酸:3Fe2++NO3-+4H+═3Fe3++NO↑+2H2O C.偏铝酸钠溶液中加入少量的二氧化碳:2AlO2-+CO2+3H2O═2Al(OH)3↓+CO32- D.在碳酸氢钠溶液中加入少量氢氧化钡溶液:HCO3-+Ba2++OH-═BaCO3↓+H2O
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