Multiple choice

In a diluted starch solution, α-salivary amylases is added at pH 1.6 and kept at 35oC for half an hour and then iodine solution is added. What would be observed in the reaction?

  1. Orange coloured solution

  2. Black coloured solution

  3. Clear and colourless solution

  4. Reddish brown coloured solution

  5. Brick red colored solution

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Black colour appears if the iodine solution is added to starch solution.