Answers

2014-05-12T16:06:33+05:30
Electrolysis is the process in which water is decomposed to H2O and O2 due to an electric current being passed through it.
how it is done :
an electric power source is connected to two electrodes(made of inert material like Pt,stainless steel or iridium). hydrogen will appear at cathode an oxygen will appear at anode.  

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2014-05-12T16:32:19+05:30
Upon Electrolysis Water decompes to form Oxygen & Hydrogen Gas.This type of decomposition reaction is called Electrolytic Decomposition.
Equation: 2H2O(l)→2H2(g)+O2(g)
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