Question

1. Rahul has two food items X and Y. He wants to test the presence of nutrients (carbohydrates and proteins) in it He tested the items with the help of chemicals and noticed that the food items X and Y show different colour change. X shows blue black colour and Y shows yellow colour a. Which nutrients do you think X and Y contains respectively? Ans. b. Write the name of the chemicals used to test nutrients type in X and Y Ans: c. Write the functions of above identified nutrients in our life. Ans​

Answer 1

solution:

Iodine test is used to determine the presence of starch in food items. If iodine is added to any food item and it causes the food item to turn to a blue-black colour. This indicates the presence of the nutrient called starch (carbohydrate).