Question

Complete the table given below. State Yes/No based on the results obtained by following processes on food items given in the table below. (5) Food items Gives blue-black colour when iodine solution is added. Gives purple colour when two drops of copper sulphate solution and 10 drops of caustic soda is added to it. Oil stains are seen when rubbed on paper




pls give answer its argent ​

Answer 1

Answer:

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).