A few drops of iodine solution were added to rice water. The solution turned blue black in colour which indiates that rice water contains

complex proteins

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starch

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fats

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simple proteins

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Solution

The correct option is B starch
Iodine solution is used to test for the presence of starch. When starch is present, iodine changes from brown to blue-black or purple colour.

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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

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A few drops of iodine solution were added to rice water. The solution turned blue black in colour which indiates that rice water contains

The correct option is B starchIodine solution is used to test for the presence of starch. When starch is present, iodine changes from brown to blue-black or purple colour.

The correct option is B starch
Iodine solution is used to test for the presence of starch. When starch is present, iodine changes from brown to blue-black or purple colour.