CaCl2+Al(OH)3≠
2NaOH+H2S=Na2S+2H2O
BaO+2HCl=BaCl2+2H2O
2CuBr2+4HI=2CuI↓+I2+4HBr
BaCl2+H2SO4=BaSO4↓+2HCl
CaO+2HBr=CaBr2+H2O
CaCl2+Al(OH)3≠
2NaOH+H2S=Na2S+2H2O
BaO+2HCl=BaCl2+2H2O
2CuBr2+4HI=2CuI↓+I2+4HBr
BaCl2+H2SO4=BaSO4↓+2HCl
CaO+2HBr=CaBr2+H2O