Bubbling of carbon dioxide into lime water forms a precipitate which is :

C a {C O}_{3}

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H_{2} {C O}_{3}

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C a {C l}_{2}

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C a O

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Solution

The correct option is A $C a {C O}_{3}$
Bubbling of carbon dioxide into lime water forms a precipitate which is calcium carbonate $C a C O_{3}$ .
Lime water is calcium hydroxide $C a (O H)_{2}$ .
$C a (O H)_{2} + C O_{2} \to C a C O_{3} ↓ + H_{2} O$

Suggest Corrections

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C O_{2}

C a C O_{3}

C a {C O}_{3 (s)} \to C a O_{(s)} + {C O}_{2 (g)}

Δ H = + 180 K J

93, 39

213 J / m o l / K

Δ S_{t o t a l}

{J K}^{- 1}

300 K

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