Предмет: Химия, автор: chernenkopi483

Решите 2 вариант (на фотографии)

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Автор ответа: angell15444

Вот)
Надеюсь,что поймёшь

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angell15444: 2 задание:
1)2ZnO=2Zn+O2
2)Zn+H2SO4=ZnSO4+H2
3)ZnSO4+Ba(NO3)2=Zn(NO3)2+BaSO4(осадков)
4)Zn(NO3)2+Ca(OH)2=Ca(NO3)2+Zn(OH)2(осадок)
5)Zn(OH)2+2HCI=ZnCI2+2H2O

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