磨議M撹??粳x徨磨功x徨
1効峺幣郡(y┤ng)
從弼墳被匣囑磨t弼
o(w┣)弼罫蜜匣囑磨音弼
2磨議PH<7
3効H念議試署抛靫Q郡(y┤ng)
磨+署==}+
箭2HClFe=FeCl2H2↑
4効A來剳晒麗才蝶乂署挾晒麗郡(y┤ng)
磨+A來┰截剳晒麗★?邦
箭3H2SO4+Fe2O3=Fe2(SO4)33H2O
5効蝶乂}郡(y┤ng)???????????????????磨+娘磨}==}+邦
磨+}★V?仟}
箭H2SO4BaCl2=2HClBaSO4↓
6効A軟嶄才郡(y┤ng)
磨+A★?邦
箭2HClCu(OH)2=CuCl22H2O