Question

To test protein in Egg ; Show me in Experiment Way

Answer 1

Put raw white of egg in a saucer. Cut with a pair of scissors until you can take up a spoonful. Put 1/2 ts. of it in a test tube with a little water, add a few drops of nitric acid (HNO3). A white precipitate forms which when boiled turns yellow. This yellow color is characteristic of protein. When the mixture is cool, add a few drops of ammonia (NH4OH). An orange-brown color will result.