In the given fig.The presence of blue-black colour indicates the presence of
Answers
Answer:
The appearance of blue-black color indicates the presence of the starch in the sample.
Explanation:
In simple words, starch can be defined as the most important complex carbohydrate compounds. It is a polysaccharide and glucoside reserve of plants.
The iodine test for starch is mainly performed to test the presence of carbohydrates. The food products which we eat include different types of carbohydrates, among which starch and sugars are the main carbohydrates found in our food products.
According to the observation the food sample or the potato slice turned to blue-black on adding the iodine solution. This proves the presence of starch in the given plant source.
This was a simple experiment which is used to check for the presence of starch. This Iodine Test for Starch can be performed for both the liquid and solid food samples.
Answer:
iodine contains starch thus we can say that the blue black colour indicates starch. and iodine is used in hospitals for healing wound.