Вопрос школьника по предмету Химия
Укажите пару формул веществ А и Б, которые участвуют в реакции, которая отвечает сокращенному ионному уравнению А + Б = 2Na+ + 2OH-: А) Na, H2O Б) NaOH, H2O В)Na2O, H2O Г)NaCl,H2O Д)NaH,H2O
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