Find out a qualitative test for proteins, fats and oils, amino acids and test any fruit juice, saliva, sweat and urine for them.

Explanation

Proten `rarr` biuret test
`rarr` alkaline `CuSO_(4)` reagent test
`rarr` violet colour test
Fat and oils
Grease spot test `rarr` A drop of oil placed over a piece of simple paper a transulcent spot is visible .This indicates the presence of fat
Amino acids `rarr` There are different tests avaiable for different amino acids