Răspunsuri

2014-10-07T15:39:25+03:00
1.Ca + O2 = CaO
2.N + N2   = ?
3.CaO + H2O = Ca(OH)2
4.NH3 + HCl= NH4CL
5.CaO + CO2 = CaCO3
6.SO2+ O2 = SO3
7.KCL + O2= KCLO3