In this lab, biology students were directed to use indicators as chemical detection tools, to analyze a variety of foods for the presence of carbohydrates, lipids or proteins. One group of students was given four unmarked containers of sugars: glucose, sucrose, fructose, and galactose. How could they use the standard lab tests to find the sucrose? A) They could use the Benedict's test; sucrose would have a positive Benedict's test and the other sugars would not. B) They could use the Biuret test; it would not have a positive reaction for sucrose but it would for the other three sugars. C) They could use the Benedict's test; it would not have a positive reaction for sucrose but it would for the other three sugars. D) They could use the iodine test; because sucrose is not a monosaccharide, it would have a positive iodine test and the others would not.
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