Сложите уровнение реакций:
II група
Zn + Cl2 → ZnCl2
H20→H2 + 02
Fe + CI2→FeCI3
K+ Cl2 → KCl
Cr+ Br2→CrBr3
Al+HCl → AlCl3 + H2
C + 02 → CO2.
III група
K+ I2 → KI
Mg + HCl→MgCl2 + H2
Na + S→Na2S
Al + S → Al2S3
Hgo → Hg + 02
Fe + CuSO4→Cu + FeSO4;
BaO+ HNO3 → Ba(NO3)2 + H20
IV група
Na + 02→Na20
Fe + S→ FeS
Fe(OH)3→Fe2O3 + H2O
NaNO3→NaNO2 + 02
H2S+02→SO2 + H2O
AI(OH)3→AI203 + H2O
ZnO + HNO3 → Zn(NO3)2 + H20
ПОМОГИТЕ СЕЙЧАС ОЧЕНЬ НАДОООО!!!!!!
ДАЮ 30 БАЛООВ!!!​
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