What is the function of laser carbon in an electrolyser?

Question

1. To produce oxygen from water
2.  To produce hydrogen from water
3.  To catalyse the reaction in an electrolyser
4.  To increase the voltage at which the reaction takes place

Answer 1

Answer: (3) To catalyse the reaction in an electrolyser

 Explanation: The article states that laser carbon functions both as a catalyst and as the anode in electrolysers and can substitute metal-based catalysts.