Question

Boojho took some grains of boiled rice in a test tube ‘A’ and Paheli took boiled and chewed rice in test tube ‘B’. Both of them pour one to two drops of iodine solution into the test tube and observe the colour change.b) Give reason for the change that occur in ‘A’ and ‘B’ respectively

Answer 1

Answer:

b blue black colour in Paheli because presence of starch.starch has helical structure iodine gets trapped there fore the solution changes its colour