a sample that contains a carbohydrate delivers a negative starch iodine test. what does this result tell you about the carbohydrate?
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a sample that contains a carbohydrate delivers a negative starch iodine test. what does this result tell you about the carbohydrate?
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- What carbohydrate is generally detected using the Molisch test?* A. Monosaccharide B. Disaccharide C. Oligosaccharide D. PolysaccharideWhat carbohydrate is generally detected using the Molisch test? * (Please choose one answer only) A. Monosaccharide B. Disaccharide C. Oligosaccharide D. PolysaccharideWill all carbohydrates gives a positive result with Molisch test? Explain your answer:
- A topping for ice cream contains fructose, hydrogenated soybean oil, salt, and cellulose. What types of chemicals are in it?how would you prepare 600 mL of a 20% strach solution beginning with a 50% stock starch solution? express your answer in litersSome foods contain starch.Which chemical is used to test for starch?A amylaseB ethanolC iodine solutionD hydrochloric acid
- What are carbohydrates? What are the most important constituents of food? If a compound gives a positive test for Iodine Test what is the nature of the compound?The test for starch in water is A. silver nitrate. B. iodine. C. barium ions. D. sulfuric acid. E. chloride ions.Useful to distinguish starch and glycogen from other polysaccharides* Please choose one correct answer only. A. Lugol's iodine solution B. Seliwanoffs test C. Barfoeds test D. Benedicts test
- The hydrolysis of starch was stopped when the iodine test no longer gave a blue color. Does this mean that the starch was completely hydrolyzed? Explain.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.An IV bag contains 250 mL of a 5% mannitol solution. How many grams of mannitol are in the IV bag?