How can you get salt from a rock salt or seawater? This is a simple classroom demo to show that the common salt in the kitchen is mined from underground or can be taken out from the seawater.
You may use either rock salt or seawater (which ever is readily available in your school).
“ALWAYS BE CAREFUL WHEN DOING AN EXPERIMENT”
Materials/Apparatus
- Rock salt ( or seawater)
- Mortar and pestle
- 2 x 250 ml beaker
- evaporating basin
- tripod
- bunsen burner
- gauze
- heatproof mat
- goggles ( or any eye protection)
- stirring rod
- filter paper
- funnel
