Anurag wanted to test for the presence of starch in different food items. He had four different chemicals. Which of the following should he use for his test?
(a) iodine
(b) an acid
(c) copper sulphate
(d) potassium hydroxide

Open in App

Solution

(a) iodine
Anurag should use iodine, as it changes its colour from brown to blue-black when there is any starch present in food.

Suggest Corrections

Similar questions

Q. Vinay wants to test a food item for the presence of starch in it. Which among the following should he choose?

Q. Sodium hydroxide and copper sulphate are used to test the presence of in the food.

Q. Which of the following solution should be added to the food item to test for starch?

Q. Ravi is a very good student. He wants to improve his memory capacity to excel in his studies. Which among the following food items should he use?

Question 10

Boohji wanted to test the presence of starch in leaves. He performed the following steps:
(i) He took a leaf and boiled it in water.
(ii) He placed the leaf in a petri dish and poured some iodine over it.
He did not get the expected result. Which step did he miss? Explain.

Join BYJU'S Learning Program

Anurag wanted to test for the presence of starch in different food items. He had four different chemicals. Which of the following should he use for his test? (a) iodine (b) an acid (c) copper sulphate (d) potassium hydroxide

(a) iodine Anurag should use iodine, as it changes its colour from brown to blue-black when there is any starch present in food.

Anurag wanted to test for the presence of starch in different food items. He had four different chemicals. Which of the following should he use for his test?
(a) iodine
(b) an acid
(c) copper sulphate
(d) potassium hydroxide

(a) iodine
Anurag should use iodine, as it changes its colour from brown to blue-black when there is any starch present in food.