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A student adds iodine solution to egg white and waits for a color change. How long will the student have to wait?
It never changes
Why is it necessary to shake a bottle of salad dressing before adding it to a salad?
To mix oil and water
An unknown sample is tested with both Biuret reagent and Benedict's reagent. Both tests result in a blue color. What has been learned?
No protein or sugar
starch and water are mixed together as ingredients for making gravy. Why doesn't starch react with water to yield monosaccharides?
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