August 2022 2 7 Report
1) Cl2 + H2 = 2HCl 2) HCl + NaOH = H2O + NaCl 3) 2NaCl + Ag2SO4 = 2AgCl + Na2SO4 Какие из этих реакций являются качественными на хлорид-ионы?
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