Weird Places: The Glowing Blue Lava at Kawah Ijen

The video explores the unique phenomenon of blue lava at Kawa Yuzhen in Indonesia, where sulfur gases combust to create blue flames. It explains the chemistry behind this, comparing the appearance of lava during day and night. The video also describes the turquoise acid lake in the crater, highlighting its dangerous acidity and the role of metal ions in its color. Finally, it discusses the potential hazards of volcanic activity in the densely populated region of Java.

What role does the combustion reaction play in the color of the flames produced by sulfur compounds?

Explain how the color of the water in Kawa Yuzhen's lake is affected by dissolved metals.