Question

Take Test: Final Lab Report- UML tMy QUESTION 3 4pointsSave Answe When testing for complex sugars (starchl. your three samples are . Stach (a simple sugar postive control Water: negative control · Unknown: test sample When testing for complex sugars (starchl, your procedure is Put 10 drops of each sample into beakers Add 0.5 mL of lodine to each of your theee samples Following this test, you record these results: What do these results mean? How do you know? Sace and Subouit to sove and subomit. Cick Sove Al Ansers to save al ansers Save and Submit

Answer 1

It can be concluded that the unknown sample present at the third location does not contains any starch. As iodine test is to determine the presence of starch in a solution upon which blue-black colour is observed as seen in the first container while the control does not have any starch present in it will show the colour like this container i.e yellow which is observed in the unknown sample as well.

Conclusion: No starch present in the unknown sample.

feel free to leave a comment down below for any further query. good rating would be appretiated if you find my answer helpful. thank you.