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What happen when CO2 is passed through...

What happen when
`CO_2` is passed through slaked lime

Text Solution

Verified by Experts

When `CO_2` is passed through slaked lime turns to milky due to the formation of insoluble `CaCO_3`.
`Ca(OH)_2+CO_2 to CaCO_3+H_2O+CO_2`
If excess `CO_2` is passed, the milkyness disappears due to the conversion of in soluble `CaCO_3` to soluble `Ca(HCO_3)_2`.
`CaCO_3+H_2O+CO_2 to Ca(HCO_3)_2`.
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Knowledge Check

  • Slaked lime is

    A
    CaO
    B
    `CaCO_(3)`
    C
    `Ca(OH)_(2)`
    D
    `CaSO_(4)`

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