The document describes several tests used to identify biochemical compounds. It lists the physical properties of a colorless, odorless, and clear solution that is soluble in cold water except for polysaccharides which are soluble in hot water. It then outlines procedures for the Molish test, Fehling test, and Benedict's test which are used to identify reducing sugars through colored precipitates.

1. Section: biochemistry
1-physical properties:
1-stat: solution
Colourless2-colour:
odourless3-odour:
4-Reaction: nature
5-Aspect: clear
6-solubility: soluble in cold water expect
polysaccharides soluble in hot water.

2. CHoVoilet ring at
junction of acid
with solution
Molish test:
1- 2 ml conc H2So4
2- 2 ml of solution
3- 2 drops of
alcoholic α naphthol
Reducing sugercoloured pptFehling test:
1- 2 ml of solution
2- 2 ml of fehling
reagent
Reducing sugercoloured pptBendic Test:
1- 3 ml of reagent
2- 1 ml solution