15. In electrolysis of water, What gases are obtained at both electrodes? Is the volume of the gas collected the
Same in both the test tubes ?Do the obtained gases shows any changes when brought near to the burning
candle?
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Take a plastic mug drill two holes at its base and fit rubber stopper in these holes. then insert carbon electrodes in the rubber stopper
connect these electrodes to a battery and fill the mug with water sulphuric acid
Take two test tubes filled with water and invert them over two electrodes
switch on the current there will be formation of bubbles at both electrodes
collect the gases and then test them
Observation : The volume of hydrogen gas which is produced at cathode is twice the volume of oxygen gas produ
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