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oscillating reaction of manganese ions

   Chemicals: malonic acid , bromate, potassium, manganese sulfate, sulfuric acid concentrated.

       Procedure: in 200 ml of distilled water was dissolved 20 ml of sulfuric acid conc., 2.2 g of malonic acid, 2 g of potassium bromate and 2 g of manganese sulphate. The period between the coloration and decoloration is approximately 50 sec     

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