Testing for Molecules
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Benedict Solution - Test for Simple Sugars
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Benedict's solution - tests for simple sugars (monosaccharides) If simple sugars exist, there will be a color change.
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Lugol's reagent (a.k.a. iodine solution) - Test for Starch
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Lugol's reagent (a.k.a. iodine solution) - test for starch (complex carbohydrates) If starch exists, there will be a color change to purplish-black
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Brown paper bag test (or grease spot test)
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Brown paper bag test (or grease spot test) If the substance leaves a translucent mark on a paper, the substance contains lipids.
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Sudan Red Test - Test for Lipids
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Sudan Red Test - tests for lipids If lipids are in the solution, the solution will react by turning red.
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Biuret test - Test for Proteins
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Biuret test - tests for proteins If proteins are present, there is a color change to blue or purple. It reacts with PEPTIDE bonds.
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Benedict Solution - Test for Simple Sugars
answer
Benedict's solution - tests for simple sugars (monosaccharides) If simple sugars exist, there will be a color change.
question
Lugol's reagent (a.k.a. iodine solution) - Test for Starch
answer
Lugol's reagent (a.k.a. iodine solution) - test for starch (complex carbohydrates) If starch exists, there will be a color change to purplish-black
question
Brown paper bag test (or grease spot test)
answer
Brown paper bag test (or grease spot test) If the substance leaves a translucent mark on a paper, the substance contains lipids.
question
Sudan Red Test - Test for Lipids
answer
Sudan Red Test - tests for lipids If lipids are in the solution, the solution will react by turning red.
question
Biuret test - Test for Proteins
answer
Biuret test - tests for proteins If proteins are present, there is a color change to blue or purple. It reacts with PEPTIDE bonds.
