(a) Write chemical equations :
(i) When carbon dioxide gas is passed through lime water.
(ii) When excess of carbon dioxide gas is passed through lime water.
(b) List two natural forms of calcium carbonate.
ns.
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(a) Write chemical equations :
(i) When carbon dioxide gas is passed through lime water.
(ii) When excess of carbon dioxide gas is passed through lime water.
(b) List two natural forms of calcium carbonate.
ns.
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Answer:
(i)Ca(OH)2+CO2=CaCO3+H2O
(II)Ca(OH)2+2CO2=Ca(HCO3)2
Answer:
Explanation:
(i) Ca(OH)₂ + CO₂ ------------> CaCO₃ + H₂O
(ii) CaCO₃ + CO₂ + H₂O ----------------> Ca(HCO₃)₂
(iii) Limestone, Marble