What are the unexplored aspects of the iodine-starch interaction that warrant further investigation?

Problem: Is the plastic bag permeable to iodine? Hypothesis: This iodine will get into the bag of starch. (. Independent Variable: color of the iodine solution. Chemical tests to identify presence of starch. Substances containing starch turn a blue-black colour in the presence of iodine solution. An observable colour ... ... iodine element which is blue in the presence of starch. BUT, before that can ... Once the Vitamin C is used up, the solution turns blue, because now the iodine ... for starch (iodine-potassium iodide) and lipids (Sudan III + IV; Oil red) ... solution of uranyl acetate for 1 h and lead citrate. (Venable and ... Reducing agents such as ascorbic acid (vitamin C) are titrated directly with standard iodine solution in the presence of starch, until reaching the intense blue ... Black color indicates presence of starch. Biology experiment. The presence ... Scientist research rice jasmine.Iodine solution can be used to test starch in rice. The Benedict's Solution provides a test for the presence of simple sugars. If sugar is present, the Benedict's Solution will turn color (shades of yellow, ... Which color change represents a positive reaction for the presence of starch using the iodine test? ... Starch solution. D. Olive oil. E. Glucose solution ... Apr 27, 2020 ... ... presence of starch, iodine makes a chemical ... If there is no starch present, the iodine remains the original brownish yellow color. presence of starch, as its hydrophilic nature allows it to bind relatively ... the starch with iodine, and in mature wheat starch, for example, the ...