
Introduce the use of laboratory glassware the beaker flask measuring cylinder and others
1.Test tubes are commonly used: 2.The beaker is mainly used for: 3. Flask (round bottom flask, flat bottom flask): 4. Erlenmeyer bottles are commonly used for: 5.Evaporating dishes are usually used for concentration or evaporation of solutions. 6.The plastic dropper is used to remove and add a small amount of liquid. Note: 7.A measuring cylinder