Question

The presence of starch in a food item can be tested by using a dilute ______ solution.

A
Sodium
B
Iodine
C
Chlorine
D
Bromine​

Answer 1

It’s (b) Iodine
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Answer 2

Answer: Here,

Hey there,

Explanation:

A chemical test for starch is to add iodine solution (red) and see if it turns blue/black in colour. It is possible to distinguish starch from other carbohydrates using this iodine solution test.

For example, if iodine is added to a peeled potato then it will turn black.

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