Ответ:
1.)Zn + 2HCl = ZnCl2 + H2↑
2.) CuO в H2SO4. CuO + H2SO4→ CuSO4 + H2O
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Ответ:
1.)Zn + 2HCl = ZnCl2 + H2↑
2.) CuO в H2SO4. CuO + H2SO4→ CuSO4 + H2O