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    Nargis786's Avatar
    Nargis786 Posts: 177, Reputation: 1
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    #1

    Jun 14, 2009, 03:39 PM
    Chemistry - isolating & purifying an inorganic and one organic compound
    Explain the purposes of these stages in the isolation process:
    - the use of propane
    - using filter paper and funnel
    - re-crystallisation
    Perito's Avatar
    Perito Posts: 3,139, Reputation: 150
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    #2

    Jun 14, 2009, 04:11 PM

    - Use of propane? I haven't a clue, unless it's as a fuel to heat something up. When you learn the answer, let me know.

    - filter paper and funnel - to separate out solids from a solution.

    - re-crystallization - to purify impure materials.
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