1.

A few drops of iodine solution were added to rice water. The solution turned blue-black in colour. This indicates that rice water containsA. complex proteinsB. simple proteinsC. fatsD. starch

Answer» Correct Answer - d
The blue - black colour of rice water confirms the presence of starch.
No colour change will be seen in case of proteins or fats in iodine solution colour , when iodine is added with them.


Discussion

No Comment Found