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Question
Which of the following describes the reaction between carbon dioxide and limewater? 
Options:
A .  CO2(g)+Ca(OH)2(aq)→CaCO3(s)+H2O(l)​
B .  CO(g)+Ca(OH)2(aq)→CaCO3(s)+H2O(l)
C .  CO2(g)+Ca(OH)2(aq)→CaO(s)+H2O(l)
D .  CO(g)+Ca(OH)2(aq)→CaO(s)+H2O(l)
Answer: Option A
:
A
When carbon dioxide is passed through limewater, calcium carbonate is formed.Thismakes the limewater turn milky. The reaction is as follows:
CO2(g)+Ca(OH)2(aq)CaCO3(s)+H2O(l)

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