Catalyst for the thermal decompostion of potassium chlorate

http://www.rsc.org/learn-chemistry/resource/res00001714/catalysts-for-the-thermal-decomposition-of-potassium-chlorate

This demonstration can be used to show the effectiveness of a range of different catalysts. The water insoluble catalyst can be separated from the water soluble chromate and weighed to show that it has not been used up.

Multimdia - video clip of reaction or a series of differnt stills showing the different stages in the reaction

Click and reveal discussion about what is happening during the reaction.

Could also use this one or put in ARA

http://www.rsc.org/learn-chemistry/resource/res00001712/catalysis-of-the-reaction-between-sodium-thiosulfate-and-hydrogen-peroxide