What is the detection principle of iodine test for starch
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- . 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…When conducting a flame test for sodium iodide, is the result positive or negative?Explain iodine test for the presence of starch.