Question

what is a test for strach

Answer 1

Hii there!!
Here's ur answer -----------------------------------------

=> Let's take a potato and cut it into halves. Add a layer of iodine salt over those pieces of potato. Wait for sometime. Now we will observe that the cut pieces of potato will turn purple - like in colour. This activity will show the presence of starch.

Glad to help you
Hope it helps ya
Thank you :-))

Answer 2

Answer:

1. take a test tube or a cup and few drops on londan crystal do it then dilute it with water till it come light yellow brown
2. take a sample of food item in a test tube add a few drops of dilute London solution of the sample
3. observe the change in colour what do you
4. if the substance turn dark blue off black ok it contain starch try with repent banana and curry banana