CaO + CO2 → CaCO3 (Calcium carbonateBa + Cl2 → BaCl2 (Barium chlorideAl + N2 → AlN (Aluminum nitride)
CaO + CO2 → CaCO3 (Calcium carbonate
Ba + Cl2 → BaCl2 (Barium chloride
Al + N2 → AlN (Aluminum nitride)