Discuss the properties of potassium iodide solution, and how it results in the detection of starch. Explain the meaning of each color that results in Starch Test, such as: 11.1 Yellow to brown and; 11.2 Blue to black.
Q: Which of the different carbohydrate tests would give a positive result for maltose? Describe the…
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Q: Using Benedict's Test would the substance (saliva + acid + potato chips) test positive or negative?…
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Q: What analyte gives a positive result in Molisch Test for Carbohydrates
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Q: Polysaccharides generally do not give a positive test with Fehling’s solution. Why? *
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Q: what are two similarities and differences between sodium and potassium and between sodium and…
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Q: Describe the property of potassium iodide solution in its affects on the results of detection of…
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Q: Explain iodine test for the presence of starch.
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Q: What is the detection principle of iodine test for starch
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Q: iodine test for polysaccharides
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Q: what color will cellulose turn for iodine test?
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- Will disaccharides and polysaccharides give a positive result for Molisch test? Which of the different carbohydrate tests would give a positive result for maltose? Describe the color change.Explain iodine test for the presence of starch.Give and explain the principles of the following tests for lipids: Spot Test Acrolein Test Test for Free glycerol Test for Surface Tension Formation of Insoluble Soap Liebermann-Burchard Test Salkowski Test
- . List whether each of the following substances was positive or negative for reducing sugar, as indicated by the Benedict's test. a. Corn syrup (1 point) b. Table sugar (1 point) c. Water (1 point) d. Unknown 1 (1 point) e. Unknown 2 (1 point) f. Unknown 3 (1 point) g. Unknown 4 (1 point) ~~3. List whether each of the following substances was positive or negative for starch, as indicated by using iodine. a. Onion juice (1 point) b. Water (1 point) c. Cornstarch (1 point) d. Unknown 1 (1 point) e. Unknown 2 (1 point) f. Unknown 3 (1 point) g. Unknown 4 (1 point) ~~4. The Sudan III test has been performed for you. Please see the image below to answer question 4a-g: Were the following substances positive or negative for lipids, as indicated by the Sudan III test? Sudan III Results a. Oil (O) (1 point) b. Butter (B) (1 point) c. Flour (F) (1 point) d. Unknown 1 (1 point) e. Unknown 2 (1 point) f. Unknown 3 (1 point) g. Unknown 4 (1 point) ~~5. List whether each of the following…a. Why is iodine tincture a good indicator to use for testing the presence of unsaturated fats? b. Based on the degree of saturation, which lipid is a better choice to spread on food, butter or margarine?Answer the following questions. What is the basic skeleton structure for flavonoids? What are the different subgroups of flavonoids? Differentiate each. Give the chemical reaction for the chemical tests involved in the identification tests for flavonoids and explain briefly the significance of the results.
- Which of the carbohydrate tests (Molisch, Seliwanoff, Benedict, Barfoed, Bial, Iodine Tests) would be positive for maltose? Include description of the color change. Explain in 2-3 sentencesCreate an illustrated step-by-step schematic diagram of the following Qualitative test for Lipids: • Solubility Test• Translucent Test• Acrolein Test• Baudouin Test• Huble’s Testlist down the various identification tests for lipids. Include its reagents used, what the test is for, and the positive result.
- Multiple choice Which compound will yield a positive result with Salkowski test? (Picture 1) A, B, C, D In the emulsification of fats, which species is water soluble? (Picture 2) A, B, C, D In the emulsification of fats, which species is hydrophobic? (Picture 2) A, B, C, D1. List at least five (5) lipid-containing substances , identify the specific lipid present, its type, and functions. 2. Name at least three (3) test reactions for lipids? Briefly explain the principle of each test and describe its positive result.Explain the chemical basis (reaction) of Millon’s test. (Generic reaction and explanation) What is the difference between Millon's test and Biuret test?(minimum 5)