I2+SO2+2H2OH2SO4+2HI B. 2FeCl2+Cl22FeCl3; C. 2FeCl3+2HI2FeCl2+2HCl+I2 D. FeCl2+I2FeI2+Cl2 试题答案 在线课程 答案:D 练习册系列答案 创优练系列答案 科学小状元冲刺100分系列答案 名师手把手系列答案 星际培优测试系列答案 新编助学读本系列答案 ...
在某无色透明的碱性溶液中.能共存的离子组是A.Ba2+ .NH4+.SO42-.HCO3-B.Cu2+.H+.SO42-.MnO4-C.Na+. K+.Cl-.NO3-D.Mg2+.K+.CO32-.Cl-
Add belong to the present invention uses a carbon chain glycerides ODO can reduce the viscosity of the material, can significantly improve the flow of materials, so that the preparation of materials and pressure pills work easier; its pearl powder soft capsules the pearl powder content of more ...