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प्रश्न
Why does the lime water turn milky when carbon dioxide is passed through it? Explain using chemical reactions.
स्पष्ट करा
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उत्तर
Lime water turns milky because carbon dioxide reacts with calcium hydroxide to form a clear white insoluble precipitate of calcium carbonate (CaCO3).
Chemical Reaction:
\[ \text{Ca(OH)}_2\text{ (aq)} + \text{CO}_2\text{ (g)} \longrightarrow \text{CaCO}_3\downarrow \text{ (white ppt.)} + \text{H}_2\text{O (l)} \]
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