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Iodine test is shown by...

Iodine test is shown by

A

polypeptides

B

glycogen

C

starch

D

glucose

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**Step-by-Step Solution:** 1. **Understanding the Iodine Test**: The iodine test is a qualitative test used to detect the presence of starch in a solution. 2. **Reagents Used**: The reagent used for this test is iodine solution, which is typically a solution of iodine in potassium iodide. 3. **Procedure**: When iodine solution is added to a sample, if starch is present, a color change occurs. 4. **Observation**: The presence of starch is indicated by the formation of a violet-blue color in the solution. 5. **Conclusion**: Therefore, the iodine test is specifically shown by starch, as it reacts with iodine to produce a characteristic color change. ---
**Step-by-Step Solution:** 1. **Understanding the Iodine Test**: The iodine test is a qualitative test used to detect the presence of starch in a solution. 2. **Reagents Used**: The reagent used for this test is iodine solution, which is typically a solution of iodine in potassium iodide. 3. **Procedure**: When iodine solution is added to a sample, if starch is present, a color change occurs. ...
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