Problem:

Question 1: what does a postive reaction to benedicts solution indicate about the solution you are testing? what change do you expect to see if a solution has a positive reaction to the benedicts solution?

Question 2: what do you expect to see in a postive reaction to biuret solution? what kind of molecule is present if there is a postive reaction? specifically, what part of the molecular structure reacts with the biuret solution?

Question 3: using the brown paper test, how would you tell if a solution contains lipid?please explain in detail.

Question 4: differentiate between a positive and negative sudan iv test is positive ? explain all the differences.

Question 5: which of the following materials would you expect to give a postive result when tested with lugols iodine? expain why

a. potato

b.glucose

c.starch

d. egg albumin