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Hydrogen produced through the electrolysis of water using renewable energy is called :

  • A.Grey hydrogen
  • B.Black hydrogen
  • C.Green hydrogen
  • D.White hydrogen

Answer: C

It is called green hydrogen.

Green hydrogen is made by splitting water by electrolysis using electricity from renewable sources such as solar or wind, so its production emits almost no carbon dioxide.

Grey hydrogen comes from natural gas by steam methane reforming with the CO2 released, and black (or brown) hydrogen from coal gasification. White hydrogen refers to naturally occurring geological hydrogen.

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