(1)氢 氧 (2)Cl+H 2O
HCl+HClO
(3)2NaCl+2H 2O
2NaOH+H 2↑+Cl 2↑ (4)2Ca(OH) 2+2Cl 2=Ca(ClO) 2+CaCl 2+2H 2O
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