Question

you may remember that hydrogen peroxide decomposes slowly into the water and oxygen. If you were given four different black powder and 100 cm³ of hydrogen peroxide ,can you design an experiment to discover which of the black powders is the best catalyst?
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Answer 1

Explanation:

Reaction of decomposition of hydrogen peroxide is very slow in moderate temperatures without the presence of a catalyst [11]. It can be sped up by increasing the temperature, which triggers the reaction of thermal decomposition. ... Usually the rate of reaction is increased by adding catalysts to the reactor.