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30 questions
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  • Q1
    What is the process by which electrical energy is converted into chemical energy?
    Reduction
    Oxidation
    Galvanization
    Electrolysis
    30s
  • Q2
    Which of the following is not a primary cell?
    Fuel Cell
    Dry Cell
    Lead-Acid Cell
    Daniel cell
    30s
  • Q3
    What is the unit of electric charge?
    Volt
    Ohm
    Coulomb
    Ampere
    30s
  • Q4
    In a galvanic cell, where does oxidation occur?
    Salt bridge
    Electrolyte
    Anode
    Cathode
    30s
  • Q5
    Which electrode is positively charged in an electrolytic cell?
    Salt bridge
    Anode
    Electrolyte
    Cathode
    30s
  • Q6
    What is the standard reduction potential of hydrogen electrode?
    0.00 V
    -0.76 V
    +0.34 V
    +1.23 V
    30s
  • Q7
    Which metal is commonly used as a reference electrode in electrochemical measurements?
    Platinum
    Silver
    Mercury
    Gold
    30s
  • Q8
    Which 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 Electrolysis
    Coulomb's Law
    Ohm's Law
    Newton's Law
    30s
  • Q9
    What is the chemical symbol for the standard hydrogen electrode (SHE)?
    Zn/Zn2+
    Pt/Pt2+
    Ag/Ag+
    H2(g)/H+(aq)
    30s
  • Q10
    Which electrolyte is commonly used in lead-acid batteries?
    Nitric Acid (HNO3)
    Hydrochloric Acid (HCl)
    Sulphuric Acid (H2SO4)
    Acetic Acid (CH3COOH)
    30s
  • Q11
    Which metal is used as the anode in a dry cell battery?
    Silver
    Zinc
    Copper
    Lead
    30s
  • Q12
    In a redox reaction, the substance that undergoes reduction:
    Gains electrons
    Loses electrons
    Loses protons
    Gains protons
    30s
  • Q13
    What is the half-cell potential of a half-cell in a galvanic cell?
    The potential of the salt bridge
    The standard hydrogen electrode potential
    The potential difference between the cathode and anode
    The potential of the electrolyte
    30s
  • Q14
    Which metal is commonly used as the cathode in the electrolysis of water?
    Platinum
    Copper
    Iron
    Gold
    30s
  • Q15
    What is the SI unit of electric potential?
    Ampere
    Volt
    Ohm
    Coulomb
    30s

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