Question

Va rog ajutati-ma!!!!!!!!!!!!!!!!!!

Answer 1

Răspuns:

Explicație:

I.

2NaCl + H2SO4= Na2SO4 + 2HCl

CuSO4 +2 KOH= K2SO4 + Cu(OH)2

Zn O +2 HNO3=Zn(NO3)2 + H2

2Ca + O2= 2CaO

2Al +3 Cl2=2 AlCl3

CaO +2 HCl= CaCl2 + H2O

NiCl2 + 2NaOH= Ni(OH)2 + 2NaCl

2Al + 3S= Al2 S3

II.

MgO + 2HCl= MgCl2 + H2 O

2Li + 2HNO3=2 LiNO3 + H2

2Na +2 H2O= 2NaOH + H2

3Ca(OH)2 +2 H3PO4= Ca3(PO4)2 +6 H2O