In this video we make an Oxygen Candle that actually MAKES oxygen as it burns. It's also called a chemical oxygen generator.

To make it, 60g of potassium chlorate are mixed with 30g of iron metal powder and 2g of calcium oxide. The powders are thoroughly mixed and initiated by direct flames or a sparkler. The reaction burns the iron powder and generates enough heat to decompose the remaining potassium chlorate into oxygen and potassium chloride. Such devices are used often in air craft, submarines, mining operations, and even space craft.

Smarter Everyday on a submarine:    • How Do Nuclear Submarines Make Oxygen...  




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