Iodine solution turned blue black when poured on a potato slice because it contains:

Fat

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Oil

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Starch

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Protein

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Solution

The correct option is C
Starch

The presence of starch can be detected using an iodine test. When two or three drops of iodine solution are added to the substance containing starch, the solution turns dark blue. This shows the presence of starch.

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Iodine solution turned blue black when poured on a potato slice because it contains:

Question 8
A few drops of iodine solution were added to rice water. The solution turned blue-black in colour. This indicates that rice water contains

(a) complex proteins
(b) simple proteins
(c) fats
(d) starch

Q. Give reason :-
If we pour potassium iodine solution in a potato and connect it to two electrodes of a battery then the potato turns blue near the positive terminal.

A solution was dropped over a slice of potato. It turned blue-black. The solution was

Adding iodine solution on a cut potato turns it dark blue in color. Why is this so?

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Iodine solution turned blue black when poured on a potato slice because it contains:

The correct option is C Starch The presence of starch can be detected using an iodine test. When two or three drops of iodine solution are added to the substance containing starch, the solution turns dark blue. This shows the presence of starch.

The correct option is C
Starch

The presence of starch can be detected using an iodine test. When two or three drops of iodine solution are added to the substance containing starch, the solution turns dark blue. This shows the presence of starch.