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  • While using iodine in the laboratory, some drops of iodine fellon Paheli’s socks and some fell on her teacher’s saree. The drops of iodine on the saree turned blue black while their colour did not change on the socks. What can be the possible reason?

While using iodine in the laboratory, some drops of iodine fellon Paheli’s socks and some fell on her teacher’s saree. The drops of iodine on the saree turned blue black while their colour did not change on the socks. What can be the possible reason?

Answers (1)

The saree of Paheli's teacher turned blue-black which shows the presence of starch in her saree because starch is the only solution that turns blue-black when it comes in contact with iodine solution and the same thing was absent in her socks, that's why it didn't change the colour.

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Priyanka Kumari

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