On wednesday at the afternoon we did an experiment to test different foods. We had two test tubes. The test tube 1 had egg white and the test tube 2 cooking oil and the Reagent was biuret.
the results were like this
test tube 1 ( egg white) The colour changed from pale blue to purpule
test tube 2 (cooking oil) There was a cloudy and milky layer at the top
Conclusion: there was a presence of protein
photos (test tube 1)
(Test tube 2)