a student dropped few pieces of marble in hydrochloric acid contained in a test tube . the gas evolved was passed through lime water . what change would be observed in lime water ? write balanced chemical equation for both the change observed
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0
Answer:
carbon dioxide
Explanation:
Carbon dioxide
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7
Explanation:
CaCO3 + 2HCl ----> CaCl2 + H20 +CO2
Gas evolved is carbon dioxide.
When it is passed through lime water it turns milky due to the formation of calcium carbonate.
Ca(OH)2 + CO2 ---> CaCO3 +H2O
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