| A | B |
|---|
| Oxygen | Glowing splint bursts into flame |
| Hydrogen | Burning splint gives a `pop' sound |
| Water | Turns blue cobalt chloride paper pink |
| Carbon Dioxide | Gives a white precipitate with lime water |
| starch | Iodine turns blue-black |
| Pure water | Boils at 100 and freezes at 0 degree C |
| Glucose | Benedict's solution turns orange on heating |
| Fats | A shiny and translucent mark on dry paper |
| Remove water | Use fused calcium chloride |
| Protein | Mixture of sodium hydroxide and copper sulphate turn violet |
| Acid | Turns blue litmus pink |
| Alkali | Turns red litmus blue |
