Class 9 Chemistry MCQs - Chapter 2

Electrochemistry Quiz Questions and Answers PDF - 3

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The Quiz: As compare to iron, aluminum has; "Electrochemistry" App Download iOS & Android (Free) with answers less tendency to oxidize, higher tendency to oxidize, equal tendency to oxidize to study online schools courses. Study corrosion and prevention quiz questions, download Amazon eBook (Free Sample) for online education programs.

Electrochemistry Questions & Answers PDF Download: MCQ Quiz 3

MCQ 11: As compare to iron, aluminum has

higher tendency to oxidize
less tendency to oxidize
equal tendency to oxidize
all of above

MCQ 12: Oxidation-reduction reaction involves

transfer of neutrons
transfer of protons
transfer of electrons
all of above

MCQ 13: Lead and Zinc metals occur naturally as

oxides
sulphite ores
carbon ores
chloride ores

MCQ 14: Conditions for good electroplating are

high current density
low temperature
high concentration of metal in electrolyte
all of above

MCQ 15: Electrochemical cells convert which of these into electrical energy?

mechanical energy
potential energy
kinetic energy
chemical energy

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