In an experiment to test for the presence of protein in egg-white (albumen), chemicals are added to the egg-white - Junior Cycle Science - Question e - 2014
Question e
In an experiment to test for the presence of protein in egg-white (albumen), chemicals are added to the egg-white.
(i) Name a chemical used.
(ii) What colour would... show full transcript
Worked Solution & Example Answer:In an experiment to test for the presence of protein in egg-white (albumen), chemicals are added to the egg-white - Junior Cycle Science - Question e - 2014
Step 1
Name a chemical used.
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Answer
One commonly used chemical to test for protein in egg-white is sodium hydroxide. Other acceptable chemicals include copper sulfate, potassium sodium tartrate, or biuret.
Step 2
What colour would confirm the presence of protein in the egg-white?
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Answer
The presence of protein in the egg-white would be confirmed by a violet or purple color change.
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