What is the name of the solution that is employed to identify the existence of starch in food?

Correct option is C

The correct answer is: (c) Iodine solution

Explanation:
· Iodine solution is used to test for the presence of starch in food.
· When iodine comes in contact with starch, it turns blue-black, confirming its presence.
· This is a standard qualitative test used in laboratories and educational demonstrations.
Information Booster:
· Starch is a complex carbohydrate found in foods like rice, potatoes, and wheat.
· The blue-black color is due to iodine molecules fitting into the helix of amylose (starch).
· Iodine test is not suitable for proteins or fats.
· This test is often performed in schools for food identification.
· It is a non-destructive and simple test.
· The reagent is typically iodine dissolved in potassium iodide.
Additional Information:
· Copper sulphate solution: Used in Benedict’s or Biuret test for proteins and reducing sugars.
· Ammonium chloride: Used in fertilizers and various lab reactions, not for starch testing.
· Chlorine solution: Disinfectant, not used in food testing for starch.