Question

iodine solution is used to test the presence of...

Answer 1

By experimental point of view Iodine solution is used to test the presence of starch in a substance.

It had been observed that when iodine reacts with starch it will turn into blue black color.

Thus, if by adding iodine to a substance change of color occurs then it means that taken substance has strach.

Answer 2

Answer:

Iodine solution is used to test the presence of starch.

Explanation:

• From an experimental point of view, an Iodine solution exists accustomed to test the existence of starch in a substance.
• It had been observed that when iodine responds with starch it will shift into a blue-black color.
• Thus, if adding iodine to a substantial difference of color appears, the taken substance has been tested.
• A chemical test for starch is adding iodine solution (red) and seeing if it shifts blue/black. It is probable to distinguish starch from other carbohydrates utilizing this iodine solution test
• In the existence of starch, iodine varies its shade from brown to blue-black or purple. So, iodine can be used to test the existence of starch.

#SPJ3