Please describe this experiment in your own words!
Equipment:
- Starch solution
- Two test tubes
- Water
- Two stoppers
- Iodine solution
Method:
- Place equal volumes of starch solution in one test tube and water in another.
- Add about four drops of iodine solution to both test tubes.
- Stopper both test tubes and gently shake.
Results:
Water = No change
Starch = Changed to a blue-purple colour demonstrating that starch is present.
