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How can you test the presence of proteins in the given food sample? |
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Answer» take a small quantity of a food item for testing if the food you want to test is a solid you first need to MAKE paste of it or powder it grind or mash a small quantity of the food item put some of this in a small test tube add 10 drops of water to it and shake the test tube.now using a DROPPER add two drops of solution of copper sulphate and ten drops of caustic soda to the test tube shake WELL and LET the test tube stand for a few minutes wht did U see? did the contents of the test tube turn violet a violet colour indicates presence of proteins in the food item mark as brainliist and thank me pls |
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