Answers

2015-08-19T22:01:26+05:30
Metal carbonates reacts with acids to form carbon dioxide, water and metal combined with negative part of acid.
example
Na2CO3 + 2HCl → 2NaCl + H2O + CO2
( H2CO3 → H2O + CO2)
metal hydrogen carbonate:
NaHCO3 + HCl → NaCl + H2O + CO2
0