Which of the below metals are used as catalysts in Polymer Electrode Membrane based electrolysers?*1 pointPlatinum & IridiumPlatinum & NickelNickel & Copper

Based on the reactivity series, which of the following metals can be extracted by the process of electrolysis?Options:CalciumCopperZincGold

Which of the following is NOT used to produce hydrogen?*5 pointsPolymer electrolyte membrane electrolyzerSolid oxide electrolyzerMicrobial electrolysis cellsDecomposition of TiH4

Which of the following is not preferred for making of electrode?1 pointCopperSilverPlatinumSteel

Which of the following is used in the production of Plastic?*1 pointMercuryLeadVinyl chlorideNone of these

Which of the following metal(s) is (are) extracted by self-reduction process?