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Test for protein

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Test for protein

    • Posted by Chotelal Yadaw 6 years, 9 months ago

    CBSE > Class 06 > Science (OLD)
    • 2 answers

    Yogita Ingle 6 years, 9 months ago

    Proteins are needed for the growth and repair of our body. Foods containing proteins are often called ‘Body Building Foods’. Test if a food item contains protein. 

    1. Take a small quantity of the food items to be tested.
    2. Grind/mash/paste/powder the food item.
    3. Put the food item into a test tube.
    4. Add 10 drops of water and shake the test tube.
    5. Using a dropper add two drops of copper sulphate solution to the test tube.
    6. Add 10 drops of caustic soda solution and shake the test tube.
    7. Observe the colour of the mixture.
    8. Violet colour indicates the presence of proteins in the tested food item. 

    0Thank You

    Chotelal Yadaw 6 years, 9 months ago

    Test for protein

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