VII. ճ

  1. III.
  2. V. ճ
  3. VI. ղ̲Ͳ Ͳ 'Ҳ.
  4. Ͳ Dz
  5. . .
Al + H2 > (AlH3- )
+ Hal2 > AlHal3
+ O2, to > Al2O3
+ S, to > Al2S3
+ N2, to > AlN
+ P, to > AlP
+ C, to > Al4C3
+ H2O > Al (OH)3+ H2^ ( )
+ HCl > AlCl3+ H2^
+ Fe2O3, to > Fe + Al2O3
+ H2SO4(.) > Al2(SO4)3+ H2^
+ H2SO4(.) > ()
+ HNO3(.) > ()
+ HNO3(.) > Al (NO3)3+ NH3^ + H2O

VIII. ճ

Fe + Hal2 > FeHal3
+ O2, to > Fe3O4
+ S, to > FeS
+ N2, to > Fe3N
+ C, to > Fe3C
+ H2O, + O2 > Fe (OH)3
+ HCl > FeCl2+ H2^
+ H2SO4(.) > FeSO4+ H2^
+ H2SO4(.) > ()
+ HNO3(.) > ()
+ HNO3(.) > Fe (NO3)3+ NO ^ + H2O
Cr + O2, to > Cr2O3
+ Cl2, to > CrCl3
+ S, to > Cr2S3
+ N2, to > CrN
+ H2O, to > Cr2O3+ H2^
+ HCl > CrCl2+ H2^
+ H2SO4(.) > ()
+ HNO3(.) > ()

IX.

- .

1) ϳ- .

ZnO + C > Zn + CO ^

Fe2O3+ 3CO > 2Fe + 3CO2^

WO3+ 3H2> W + 3H2O

Cr2O3+ 2Al > 2Cr + Al2O3

2ZnS + 3O2> 2ZnO + 2SO2^

ZnO + C > Zn + CO ^

2) ó- .

CuO + H2SO4(-) > CuSO4+ H2O

CuSO4+ Fe > FeSO4+ Cu

3) - , .

2NaCl > 2Na + Cl2^




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