Визначте, яка реакція є гомогенною:

а) Zn + 2HCl = ZnCl2 + H2 б) Ca + 2H2O = Ca(OH)2 + H2

в) Cu + Cl2 = CuCl2 г)N2 + 3H2 = 2NH3
ДАЮ 10 БАЛЛОВ ​
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