Bleaching powder slowly loses its activity when it stand in air. This is due to
Bleaching powder slowly loses its activity when it stand in air. This is due to
A. Reaction with `CO_(2)` to evolve `Cl_(2)`
B. Reaction with moisture to liberate `O_(2)`
C. Loss of `CaCl_(2)`
D. Formation of `Ca(OH)_(2)`
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Correct Answer - A
`CaOCl_(2) + CO_(2) rarr CaCO_(3) + Cl_(2)` because `Cl_(2)` is lost.
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