Carbon dioxide gas evolves when HCl acid is added to:
Calcium hydroxide
Iron (II) sulphide
Sodium sulphite
Calcium carbonate
Carbon dioxide gas evolves when Hydrochloric acid is added to calcium carbonate.
Carbon dioxide gas is liberated when HCl acid is added to:
(a) Name the gas evolved when dilute hydrochloric acid is added to: (i) Zinc metal (ii) Calcium carbonate (iii) Sodium sulphite (iv) Lead (II) sulphide (v) Magnesium bicarbonate (vi) Potassium bisulphite (b) Give a balanced equation for each of the above reaction.
Making use only of substances chosen from those given below:
Dilute sulphuric acid Zinc Lead
sodium carbonate sodium sulphite calcium carbonate
Give the equations for the reactions by which you could obtain: (i) hydrogen (ii) sulphur dioxide (iii) carbon dioxide (iv) zinc carbonate (two steps required).