School science experiments
Purple Flame Magic
Materials
5g of pottassium permanganate cystals, 2ml of glycerol, a
porcelain tile and a dropper.
Procedure
Pile 5g of powdered KMnO4 crystals on a porcelain tile.Make a small
depression on the centre of the pile. Using a dropper or a glass tube add carefully
about 3 to 4 drops of glycerine to the depression.
After a few seconds a white puff of smoke is produced followed by sparks and purple
flame.
Discussion
This experiment demonsrtates spontaneous combustion. KMnO4
oxidizes glycerol exothermically producing heat and light.
Shared by/ Source
Praveen Kamath Sir, GHS Ankanahally, Somavarpet Taluk, Kodagu
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Praveen Kamath Sir, GHS Ankanahally, Somavarpet Taluk, Kodagu
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