Question

___+___= FeSO4 + H2
___+___= AlCl3 + H2
___+___=H20 + Cu
Zn + Ag NO3 = ___
Ca + FeCl3 = ___
Al + CuO = ___
- Reactii de inlocuire/substitutie -

Answer 1

Fe + H2SO4---> FeSO4 +H2

2Al + 6HCl---> 2AlCl3 +3H2

CuO + H2---> H2O+ Cu

Zn + 2AgNO3---> 2Ag+Zn(NO3)2

2Ca +3FeCl3---->2CaCl2 _ + 3Fe

2Al + 3CuO---> 3Cu + Al2O3

TOATE SUNT REACTII DE SUBSTITUTIE !