ELECTROCHEMISTRY
Quiz by Rajiv Khombare
Diploma programme
Chemistry (SL and HL)
International Baccalaureate
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30 questions
Show answers
- Q1What is the process by which electrical energy is converted into chemical energy?ReductionOxidationGalvanizationElectrolysis30s
- Q2Which of the following is not a primary cell?Fuel CellDry CellLead-Acid CellDaniel cell30s
- Q3What is the unit of electric charge?VoltOhmCoulombAmpere30s
- Q4In a galvanic cell, where does oxidation occur?Salt bridgeElectrolyteAnodeCathode30s
- Q5Which electrode is positively charged in an electrolytic cell?Salt bridgeAnodeElectrolyteCathode30s
- Q6What is the standard reduction potential of hydrogen electrode?0.00 V-0.76 V+0.34 V+1.23 V30s
- Q7Which metal is commonly used as a reference electrode in electrochemical measurements?PlatinumSilverMercuryGold30s
- Q8Which law states that the amount of a substance produced or consumed during an electrochemical reaction is directly proportional to the quantity of electricity passed through it?Faraday's Law of ElectrolysisCoulomb's LawOhm's LawNewton's Law30s
- Q9What is the chemical symbol for the standard hydrogen electrode (SHE)?Zn/Zn2+Pt/Pt2+Ag/Ag+H2(g)/H+(aq)30s
- Q10Which electrolyte is commonly used in lead-acid batteries?Nitric Acid (HNO3)Hydrochloric Acid (HCl)Sulphuric Acid (H2SO4)Acetic Acid (CH3COOH)30s
- Q11Which metal is used as the anode in a dry cell battery?SilverZincCopperLead30s
- Q12In a redox reaction, the substance that undergoes reduction:Gains electronsLoses electronsLoses protonsGains protons30s
- Q13What is the half-cell potential of a half-cell in a galvanic cell?The potential of the salt bridgeThe standard hydrogen electrode potentialThe potential difference between the cathode and anodeThe potential of the electrolyte30s
- Q14Which metal is commonly used as the cathode in the electrolysis of water?PlatinumCopperIronGold30s
- Q15What is the SI unit of electric potential?AmpereVoltOhmCoulomb30s