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Write the chemical formula for bleachin...

Write the chemical formula for bleaching powder .How is bleaching powder prepared ? For what purpose is it used in paper factories ?

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### Step-by-Step Solution: 1. **Chemical Formula for Bleaching Powder**: - The chemical formula for bleaching powder is **Ca(OCl)₂** or **CaCl₂·O**. It is also known as calcium oxychloride. 2. **Preparation of Bleaching Powder**: - Bleaching powder is prepared by passing chlorine gas (Cl₂) over dry slaked lime (calcium hydroxide, Ca(OH)₂). The reaction can be summarized as follows: \[ ...
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Knowledge Check

  • The chemical formula of bleaching powder is

    A
    `CaCI_(2).H_(2)O`
    B
    Ca(OH)CI
    C
    Ca(OCI)CI
    D
    `Ca(OCI)_(2)`

  • The chemical formula of bleaching powder is

    A
    `CaClO_(2)`
    B
    `CaOCl_(2)`
    C
    `CaOCl`
    D
    `CuOCl_(2)`

  • Bleaching powder is

    A
    `CaO_(2)Cl`
    B
    `CaOCl_(2)`
    C
    `CaClO_(2)`
    D
    `CaCl_(2)+O_(2)`

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