.
.
* Left: Slowly (!)
heat a solidified piece of sulfur in a Liquemin vial using a micro spirit
burner.
* Observation
Middle:
The yellow sulfur rod melts leaving a yellow liquid.
* Observation
Right:
The yellow liquid solidifies leaving yellow sulfur (crystal needles).
Explanation:
At the melting point of sulfur (112°
C) this yellow solid changes to a yellow liquid.