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The formed calcium sulfate obtained as a product cover calcium carbonate and stop the reaction.
zinc carbonate + sulphuric acid = zinc sulphate + water + carbon dioxide
Sulphuric acid is H2SO4 Sodium hydrogen carbonate is NaHCO3
H2SO4 + CaCO3 ---> CaSO4 + H2O + CO2 Sulphuric acid reacts with calcium carbonate, forming calcium sulphate.
because sulphuric acid stops reaction
Sulphuric acid reacts with sodium hydrogen carbonate to produce sodium sulfate, carbon dioxide, and water.
NO!
Calcium Carbonate
This is because during the reaction of sulphuric acid and calcium carbonate, calcium sulphate is produced which is an insoluble substance ,as a result carbon dioxide gets trapped in this precipitate hence no further production of the gas
H2SO4 + Na2CO3 -> Na2SO4 + CO2 + H2O
Lead carbonate + sulphuric acid = Lead sulphate + carbon dioxide + water
Sulfuric acid must be titrated with a standardized solution of sodium hydroxide.