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Bubbling of carbon (IV)oxide into calcium hydroxide solution results in the formation of

Chemistry
WAEC 1988

Bubbling of carbon (IV)oxide into calcium hydroxide solution results in the formation of

  • A. CaCO3
  • B. CuCO3
  • C. ZnCO3
  • D. Na2CO3
  • E. MgCO3
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Correct Answer: Option A
Explanation

When carbon (IV) oxide (CO\(_2\)) is bubbled into a calcium hydroxide solution (Ca(OH)\(_2\)), also known as limewater, it reacts to form calcium carbonate (CaCO\(_3\)) and water (H\(_2\)O). Calcium carbonate is an insoluble white precipitate, which causes the clear limewater to turn "milky" or cloudy. 


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