write an activity to prove that a colourless gas is produced when acid is added to metal carbonate or bicarbonate
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write an activity to prove that a colourless gas is produced when acid is added to metal carbonate or bicarbonate
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Answer:
the reaction of acid with metal carbonates and metal hydrogen carbonate:-
Take a small amount of metal carbonate in test tube A
and
metal bicarbonate in test tube B.
Then Pour few drops of sulfuric acid in both the test tubes. you will notice evolution of colourless gas.
Passing the evolved gas in both test tube through the lime water with the help of delivery tube.
NOW WE CAN notice that the lime water turn colorless in both the cases. This indicates that the evolved gas carbondioxide.
ZnCO3 + H2SO4 → ZnSO4 + CO2 + H2O
Explanation: