Question

what is downward displacement of water? In electrolitic decomposition of water, name the terminals on which hydrogen and oxygen get accumulated. ​

Answer 1

downward displacement is when the magnitude of the displacement is negative.

hydrogen gets accumulated on Anode while oxygen gets accumulated on Cathode.

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Answer 2

Answer:

Downward displacement of water is used to collect oxygen. Any gas be collected by this method and the gas pushes the water down as it is lighter and do not react with water.