Химия

1) H2CO3 + CaO =

2) Fe2O3 + H2SO4 =

3) CaO + CO2 =

4) NaOH + ZnO =

5) Na2O + H2SO3 =

6) Pb (OH) 2 + HNO3=

7) Fe + H2SO4=

8) Cl2 + Ba=

9) Al (OH) 3 + HCl =

10) Ba (OH) 2 + P2O5 =

Na+HCl = Mg+HCl = Al+HCl = Mg+H3PO4= Ca+H3PO4= Zn+H2SO4= Al+H2SO4= MgO+H2SO4= Zn+HCl = Cao+HCl = Fe2O3+HCl = Fe2O3+H2SO4= Li2O+H3PO4= MgO+H3PO4= Al2O3+H2SO4= Cu+HCl = Mg+H2SO4= NaCl+HCl = Na2So4+HCl = Fe (OH) 3+HNO3= Au+H2SO4= H3PO4+H2SO4=

1. формулы только оксидов приведены в ряду 1) H2SO4, CaO, CuCl2 2) Na2CO3, Cl2O7 3) CO2, Li2O3, Al2O3 4) KOH, K2O, BaO 2. формулы только основных оксидов приведены в ряду 1) CO2, Al2O3, K2O 2) CaO, BaO, Na2O 3) NO2, MgO, SO2 4) P2O5, Fe2O3, ZnO 3.

HBr+Mg= H2SO3+Pt= HNO3+Al= H2S+Na= H2SO4+Ba= H3PO4+Fe= H2SO3+Zn= HCl+Al= H3PO4+Al= HBr+Rb= HNO3+Zn= HF+Zn= H2SO4+Cs= H2SiO3+Cu= HCl+Zn= H2S+Ba= HBr+Cs= HNO3+Cu= H2S+K= H2SO4+Pt= H2SO3+Ba= H3PO4+Na= H2SO3+Rb= H2SO4+Li= HBr+Pb= HNO3+Co= HI+Zn=

Решить. CAO+H2SO4 = ... СAO+H3PO4 = ... NA2O+H2SO3 = ... NA2O+H2SO3 = ... AL2O3+HNO3 = ... AL2O3+H2SO4 = ... AL2O3+H3PO4 = ... CO2+KOH = ... CO2+CA (OH2) = ... CO2+AL (OH) 3 = ... P2O5+KON = ... P2O5+CA (OH) 2 = ... P2O5+AL (OH) 3 = ... N2O5+KOH = ..

Назовите тип реакций: CaSiO3->CaO+SiO2 Al (OH) 3+HNO3->Al (NO3) 3+H2O S+O2->SO3 AgBr->Ag+Br2 Ca (HCO3) 2->CaCO3+H2O+CO2 CuO+C->CO2+Cu Na2O+H3PO4->Na3PO4+H2O Al+Cl2->AlCl3 Br2+KI->KBr+I2 Cr (OH) 3+H2SO4->Cr2 (SO4) 3+H2O Fe+O2+H2O->Fe (OH) 3