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Bilik Melarikan Diri Sekolah
Gaya Bebas
Universiti
sains

Electrochemistry

syamsul arifin
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Masalah tambahan (10/ 20)
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masalah 1

pilihan

What is the basic unit of charge in electrochemistry?

  • Electron
  • Proton
  • Neutron
  • Ion

masalah 2

pilihan

What is the primary purpose of a salt bridge in a galvanic cell?

  • To generate electrons
  • To conduct electricity
  • To maintain electrical neutrality
  • To increase voltage

masalah 3

pilihan

Which of the following is an example of an electrolytic cell?

  • Battery
  • Electroplating cell
  • Solar panel
  • Fuel cell

masalah 4

pilihan

What is the role of an anode in an electrochemical cell?

  • Site of oxidation
  • Site of reduction
  • Conducts electricity
  • Balances charge

masalah 5

pilihan

What is the standard unit of electric current in electrochemistry?

  • Volt
  • Ampere
  • Ohm
  • Coulomb

masalah 6

pilihan

Which of the following metals is most likely to lose electrons in a reaction?

  • Gold
  • Copper
  • Zinc
  • Silver

masalah 7

pilihan

In which part of a galvanic cell does reduction occur?

  • Anode
  • Cathode
  • Salt bridge
  • Electrolyte

masalah 8

pilihan

What is the primary energy conversion in a battery?

  • Chemical to electrical
  • Electrical to mechanical
  • Thermal to electrical
  • Mechanical to chemical

masalah 9

pilihan

What is the term for the movement of ions in a solution to conduct electricity?

  • Convection
  • Diffusion
  • Electrolysis
  • Conductance

masalah 10

pilihan

Which of the following is NOT an example of an electrochemical process?

  • Rusting of iron
  • Photosynthesis
  • Electrolysis of water
  • Corrosion of metal
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