Carbohydrates can be Tested by Using A) Iodine solution B) Caustic soda C) Copper sulphate

Answer: (A)

Explanation: An Iodine Solution is used to test carbohydrates in a given sample. Iodine which is yellow-orange in colour turns blue-black when it detects starch. The colour confirms the presence of starch and helps in determining the concentration of starch and carbohydrates in the food that we eat.