RPA- Food Tests (Chemistry Of Food).

Question 1

What’s the test for starch

Answer 1

Yellow red iodine solution turns blue- black if starch is present

Question 2

What’s the test for sugar

Answer 2

Blue Benedict solution turns brick red whilst heating if sugar his present

Question 3

What’s the test for protein

Answer 3

Blue biuret reagent turns purple if protein is present

Question 4

What’s the test for lipids

Answer 4

Ethanol added to a solution gives a cloudy white layer If a lipid is present