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Characteristics of Chemical Reaction

Passing of ca...

Question

Passing of carbon dioxide to lime water gives:

A

calcium bicarbonate and carbon dioxide

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B

calcium carbonate and water

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C

calcium carbonate and carbon dioxide

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D

calcium oxide and water

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Solution

The correct option is A calcium carbonate and water
Passing of carbon dioxide to line water changes the colour of limewater milky due to the formation of calcium carbonate.
$C a (O H)_{2} (a q) + C O_{2} (g) \to C a C O_{3} (g) + H_{2} O (l)$

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