Changes
From Karnataka Open Educational Resources
16 bytes added
, 02:30, 22 August 2014
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| =Purple Flame Magic= | | =Purple Flame Magic= |
− | ==Materials== | + | ====Materials==== |
| 5g of pottassium permanganate cystals, 2ml of glycerol, a | | 5g of pottassium permanganate cystals, 2ml of glycerol, a |
| porcelain tile and a dropper. | | porcelain tile and a dropper. |
− | ==Procedure== | + | ====Procedure==== |
| Pile 5g of powdered KMnO4 crystals on a porcelain tile.Make a small | | 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 | | depression on the centre of the pile. Using a dropper or a glass tube add carefully |
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| After a few seconds a white puff of smoke is produced followed by sparks and purple | | After a few seconds a white puff of smoke is produced followed by sparks and purple |
| flame. | | flame. |
− | ==Discussion== | + | ====Discussion==== |
| This experiment demonsrtates spontaneous combustion. KMnO4 | | This experiment demonsrtates spontaneous combustion. KMnO4 |
| oxidizes glycerol exothermically producing heat and light. | | oxidizes glycerol exothermically producing heat and light. |
− | ==Shared by/ Source== | + | ====Shared by/ Source==== |
| Praveen Kamath Sir, GHS Ankanahally, Somavarpet Taluk, Kodagu | | Praveen Kamath Sir, GHS Ankanahally, Somavarpet Taluk, Kodagu |
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