Question

Stabiliti coeficientii indicati conditiile reactiilor si tipul lor.
2.Alegeti exemple concrete B pentru expresiile generale A
A
1Metal+H2O=baza +H2
2Metal+H2O=oxid +H2
2Nemetal+H2O=acid1+acid2
4Oxid bazic +H2O=baza
5Oxid acid +H2O=acid
B
a
b
c
d
e

Answer 1

2K + 2H2O = 2KOH + H2
3Fe + 4H2O = Fe3O4 + 4H2
Cl2 + H2O = HCl + HClO
Na2O + H2O = 2NaOH
CO2 + H2O = H2CO3