Which among the following gas is released when an acid reacts with carbonates?
Hydrogen
Oxygen
Nitrogen
Carbon dioxide
Carbon dioxide gas is released when an acid reacts with carbonates.
e.g., CaCO3 + 2HCl = CaCl2 + H2O + CO2
Which gas is released when acids react with metal carbonates?
Which of the following gas is released when an acid reacts with metal?