Electrochemistry Essentials Quiz

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Quick electrochemistry questions.

Baraza Linah

Kenya

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Electrochemistry Essentials Quiz


Electrochemistry Essentials QuizVersion en ligne Quick electrochemistry questions. par Baraza Linah 1 What is the purpose of a galvanic cell? a Converts chemical energy to electrical energy b Measures pH c Stores chemical energy d Consumes electrical energy 2 Faraday's first law states the amount deposited is proportional to what? a Temperature b Charge passed c Voltage only d Concentration of solution 3 The Nernst equation relates cell potential to what? a Cell volume b Electrode material c Ambient pressure d Concentrations of reactants and products 4 A standard hydrogen electrode has what reference potential? a 0 V b -0.50 V c 0.50 V d 1.00 V 5 In a Daniell cell, which species is reduced at the cathode? a SO4 2- to S b Cu2+ to Cu c Zn to Zn2+ d H+ to H2 6 Oxidation is the loss of what? a Protons b Neutrons c Ions d Electrons 7 Iron corrosion in water and O2 is an example of what? a Thermal corrosion b Mechanical wear c Electrochemical corrosion d Electroplating 8 In an electrolytic cell, the anode is which of the following? a Positive electrode b State of charge c Insulated electrode d Negative electrode 9 What term describes the resistance to electrode reaction under overpotential? a Dielectric constant b Zero potential c Conductivity d Overpotential 10 What flows through the external circuit in an electrochemical cell? a Electrons b Photons c Neutrons d Ions only