Question

. Iodine solution turns blue-black when added to a food X. The food X is most likely:
a) a piece of butter
b) a piece of bread
c) a cup of milk
d) a boiled egg​

Answer 1

Answer:

b) a piece of bread

Explanation:

Explanation: Iodine turns blue black when added to any food that contains starch. Out of the options mentioned, only bread contains starch. Therefore bread is the right answer.

Answer 2

Answer:  

b) A piece of bread

Explanation:

Iodine turns blue-black in the presence of starch, in these options only bread has starch, so bread is the answer