Classify each reaction and give the name of all the chemical formula involved for each number.
1. Na2CO3(s) + SiO2(s) ? Na2SiO3(l) + CO2(g)
2. 2 Mg(NO3)2(s) ? 2 Mg(NO2)2(s) + O2(g)
3. 3 HNO2(aq) ? 2 NO(g) + NO3-(aq) + H3O+(aq)
4. BaCO3(s) ? BaO(s) + CO2(g)
5. 2 Eu2+(aq) + 2 H+(aq) ? 2 Eu3+(aq) + H2(g)
6. [Ag(NH3)2]+(aq) + 2 CN-(aq) ? [Ag(CN)2]-(aq) + 2 NH3(aq)
7. MgO(s) + 2 HCl(aq) ? MgCl2(aq) + H2O(l)
8. CaO(s) + SO2(g) ? CaSO3(s)
9. 2 NO(g) + O2(g) ? 2 NO2(g)
10. N2(g) + 2 O2(g) ? 2 NO2(g)