DEMONSTRATE THE CORRECT HANDLING AND USE OF LABORATORY EQUIPMENT
The proper use of equipment for the measurement of various physical properties is very important. The correct handling and use of the laboratory equipment helps to easily and speedily use the apparatus to get desired precision and accuracy. One must be familiar with the following laboratory apparatus.
Some experimental skills involved in the proper handling of the apparatus is diagrammatically explained below:
• Properly shaking the contents in a test tube
- Correctly heating a substance in a test tube holding it in a test tube holder. Note that the tube with solution is held slightly slantingly with the tube facing away from yourself.
• Correct way of adding solute and then stirring it with a rod to prepare a solution.
Correct handling of the equipment leads to fast filtration.
• Proper and correct handling of a pipette and burette in use.