H2S + Cl2 = S +2 HCl
H2 + Cl2 = 2HCl
NaCl + H2SO4 = NaHSO4 + HCl
Ответ: 1,2,4
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H2S + Cl2 = S +2 HCl
H2 + Cl2 = 2HCl
NaCl + H2SO4 = NaHSO4 + HCl
Ответ: 1,2,4