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Fiery Fountain

This experiment is fraught with danger. Phosphorus itself is a real killer -

dangers of phosphorus,

Concentrated sulphuric acid is highly corrosive, and the gaseous product of the reaction, phosphine, is deadly. The phosphorus pentoxide produced when the phosphine spontaneously ignites won`t do you any good either. An experiment only for the experienced chemist, to be performed in a fume cupboard.

More about phosphine can be found here - phosphorus

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