Explain in terms of their solubility in different solvents and your knowledge of the emulsion test, why you do not see false positives due to: - Monosaccharides and Disaccharides.... Explain in terms of their solubility in different solvents and your knowledge of the emulsion test, why you do not see false positives due to: - Monosaccharides and Disaccharides. - Starch. - Nucleic acid. - Protein.

Understand the Problem

The question is asking for an explanation regarding the absence of false positives in an effective qualitative test related to specific substances (monosaccharides, disaccharides, starch, nucleic acids, and proteins) in terms of their solubility in different solvents and the emulsion test. The individual properties of each substance and their interactions in a testing scenario are to be discussed.

Answer

Monosaccharides, disaccharides, starch, nucleic acids, and proteins are insoluble in alcohol, preventing false positives in lipid emulsion tests.

The emulsion test for lipids relies on substances being soluble in alcohol. Monosaccharides, disaccharides, starch, nucleic acids, and proteins are mostly insoluble in alcohol, preventing false positives in the emulsion test. They remain undissolved, so they do not interfere with the lipid detection.

Answer for screen readers

The emulsion test for lipids relies on substances being soluble in alcohol. Monosaccharides, disaccharides, starch, nucleic acids, and proteins are mostly insoluble in alcohol, preventing false positives in the emulsion test. They remain undissolved, so they do not interfere with the lipid detection.

More Information

The emulsion test is specific for detecting lipids as it uses alcohol to dissolve lipids, which are then mixed with water to form a cloudy emulsion if lipids are present.

Sources

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