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3. Write test for detecting the presence of starch.

3. Write test for detecting the presence of starch.

Grade:12th pass

2 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
3 years ago
Take a piece of the food item. Put 2-3 drops of dilute iodine solution on it. If the colour of the food item becomes blue-black, then it indicates the presence of starch in the food item. (i) Food + Iodine — Blue-black colour (starch present) (ii) Food + Iodine — No blue-black colour (no starch present)
Sanvi Kapoor
13 Points
2 years ago
Take a piece of the food item. Put 2-3 drops of dilute iodine solution on it. If the colour of the food item becomes blue-black, then it indicates the presence of starch in the food item. 

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