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Substances in Common Use — Science STD 9 — Question

Maharashtra BoardEnglish MediumSTD 9ScienceSubstances in Common Use2 Marks
Question
Bleaching powder has the odour of chlorine.
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Answer

  • Bleaching powder undergoes slow decomposition due to the carbon dioxide in air and chlorine gas is released.
  • Bleaching powder gets its property because of this release of chorine gas.
  • $
    CaOCl _2+ CO _2 \rightarrow CaCO _3+ Cl _2 \uparrow
    $
    Bleaching Carbon Calcium Chlorine
    Powder dioxide Carbonate

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