Question

ma poate ajuta cineva?

Answer 1

1 - e

2K + 2H2O => 2KOH + H2

2 - d

Na2O + H2O => 2NaOH

3 - a

ZnSO4 + 2KOH => Zn(OH)2 + K2SO4

4 - b

Ca(OH)2 + 2HCl => CaCl2 + 2H2O

5 - c

CuSO4 + 2NaOH => Cu(OH)2 + Na2SO4