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if i wanted to test whole milk using all of the indicators (biuret, benedicts, iodine and brown paper bag), what results would you expect to see?

The Biuret's solution will impart a dark violet blue to a pinkish purple color to the solution if positive.Benedict's indicator will turn the solution aqua blue if negative or yellow/green/brick red if positive.Iodine will turn the solution blue to black if positive.The paper bag will have a greasy/oily residue upon application of the sample.

Explanation:

The Biuret's test is widely used for the identification of proteins in whole milk samples. The Benedict's solution is an indicator of the presence of simple sugars such as glucose. Iodine is a popular indicator of starch(complex sugar)The paper bag test indicates the presence of lipids or fats.