Question

take 1 ml of starch solution (1%) in two test tubes (a &b).

Answer 1

Answer:

Take 1 ml starch solution (1%) in two test tubes A and B. Add 1 ml of saliva to test tube a and leave both the test tubes undisturbed for 15 min. Now, add a few drops of iodine solution to the test tubes.

Explanation:

Answer 2

Answer:

Take 1 ml starch solution (1%) in two test tubes A and B. Add 1 ml of saliva to test tube a and leave both the test tubes undisturbed for 15 min. Now, add a few drops of iodine solution to the test tubes.