1 Вариант
1. а-HCl,HNO3,
б-Ca(OH)2,KOH
в-K2O,P2O5
г-ZnCl2,Na2SO3
2. H2SO4,Fe(OH)3,Na2CO3,Al2(SO4)3,NO2,Mg(NO3)2
3. 2Na+2H2O=2NaOH+H2
3Na2O+P2O5=2Na3PO4
Na2O+H2O=2NaOH
2NaOH+CuSO4=Na2SO4+Cu(OH)2
4. HCl,SO3,CuSO4
KOH+HCl=KCl+H2O
2KOH+SO3=K2SO4+H2O
2KOH+CuSO4=Cu(OH)2+K2SO4
4 Вариант
1. а-H2CO3,H2SiO3
б-Ba(OH)2, Al(OH)3,
в-SO3,MgO
г-NaCl, K3PO4
2. HNO3, Zn(OH)2, Na2CO3,FeCl3,SO2,Ca(NO3)2
3.2P+3H2=2PH3
P2O5+3K2O=2K3PO4
P2O5+3H2O=2H3PO4
H3PO4+3NaOH=Na3PO4+3H2O
4. KOH, Na2O,BaCl2
H2SO4+2KOH=K2SO4+2H2O
Na2O+H2SO4=Na2SO4+H2O
BaCl2+H2SO4=BaSO4+2HCl