Boiled rice gives blue-black color in iodine test due to the presence of __________.

starch

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

saliva

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A starch

Suggest Corrections

Similar questions

Q. Rice is a rich source of starch and iodine gives blue black colour with starch. If you add iodine solution to chewed rice what colour will it give?

Q. Boojho took some grains of boiled rice in test tube ‘A’ and Paheli took boiled and chewed rice in test tube ‘B’. Both of them poured 1 – 2 drops of iodine solution into the test tube and observed the colour change.
What colour change would they have observed? Give reasons for your answer.

Question 20
Boojho took some grains of boiled rice in test tube ‘A’ and Paheli took boiled and chewed rice in test tube ‘B’. Both of them poured 1 - 2 drops of iodine solution into the test tube and observed the colour change. What colour change would they have observed? Give reasons for your answer.

Q. On adding iodine to a leaf boiled in alcohol, a blue-black colour appears. This means that

Sudha took a small amount of an unknown food item in a test tube. Then, she added a few drops of iodine to it. The colour of the unknown food item changes to blue-black.

The change in colour of the food item to blue-black indicates the presence of

Join BYJU'S Learning Program

Boiled rice gives blue-black color in iodine test due to the presence of __________​.

The correct option is A starch

Boiled rice gives blue-black color in iodine test due to the presence of __________.