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Electrode: Quiz


Question 1: Electrodes for ________ using electrochemical methods
Analytical chemistryElectrochemistrySpectroscopyMass spectrometry

Question 2: In ________ an electrode is used to conduct current through a workpiece to fuse two pieces together.
Shielded metal arc weldingGas tungsten arc weldingGas metal arc weldingArc welding

Question 3: The anode is now defined as the electrode at which electrons leave the cell and ________ occurs, and the cathode as the electrode at which electrons enter the cell and reduction occurs.

Question 4: Depending upon the process, the electrode is either consumable, in the case of ________ or shielded metal arc welding, or non-consumable, such as in gas tungsten arc welding.
Shielding gasGas metal arc weldingWelderOxy-fuel welding and cutting

Question 5: A secondary cell, for example a ________, is one in which the reaction is reversible.
Battery (electricity)Nickel-cadmium batteryRechargeable batteryLithium-ion battery

Question 6: The counter electrode is usually made of an inert material, such as a noble metal or ________, to keep it from dissolving.
GraphiteCarbon nanotubeDiamondCarbon

Question 7: The word was coined by the scientist ________ from the Greek words elektron (meaning amber, from which the word electricity is derived) and hodos, a way.
Charles-Augustin de CoulombWilliam Thomson, 1st Baron KelvinMichael FaradayJ. J. Thomson

Question 8: An electrode in an electrochemical cell is referred to as either an ________ or a cathode (words that were also coined by Faraday).
Battery (electricity)Galvanic cellAnodeRechargeable battery

Question 9: Electrodes for medical purposes, such as EEG, ECG, ECT, ________
Implantable cardioverter-defibrillatorAutomated external defibrillatorDefibrillationEmergency medical services

Question 10: Electrodes for ________ techniques in biomedical research
Action potentialNeuronBrainElectrophysiology


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