Question

Investigate that potato is a starch-rich food.
Material: boiled potato, iodine solution and test tube.
Let's Do:
1 Crush the boiled potato.
2 Put it in a test tube.
3Add water to it and shake the test tube well.
4 Add few drops of iodine solution in the test tube.
Observation:The ____ sample turns blue-black in colour.





What is the word will come in blank​

Answer 1

Answer:

the iodine solution sample turns blue-black in colour