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Write a process to make a …

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Write a process to make a colloidal solution of starch.

    • Posted by Japman Singh 5 years, 6 months ago

    CBSE > Class 09 > Science
    • 1 answers

    Meghna Thapar 5 years, 5 months ago

    Materials required:

    • Tripod stand
    • Beaker of about 50 to 250 mL
    • Funnel
    • Distilled water
    • Wire gauze
    • Glass rod
    • Pestle and mortar
    • Burner
    • Filter paper
    • 500 mg starch

    Procedure:

    1. Take a mortar and add 500 mg of starch to it.
    2. Pour a few drops of distilled water and pestle the starch into a thin paste.
    3. Transfer the grinded paste to a 50 ml beaker.
    4. Take a 250 mL beaker and pour 100 mL of distilled water to it and heat the water to boiling.
    5. Slowly pour the paste into the boiling water and constantly keep stirring with the help of glass rod.
    6. Let it boil for 10 minutes after you have transferred all the paste into the beaker.
    7. Allow it to cool.
    8. With the help of a filter paper attached to a funnel you can filter out the contents.
    9. Label the filtrate as starch sol.

    0Thank You

    ANSWER
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