Class 9 Chemistry Certification MCQs – Practice Test 3 (Chapter 2)

Electrochemistry Quiz with Answers PDF – Test 3

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Electrochemistry Quiz PDF Download – Test 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

Class 9 Chemistry Quiz App & e-Book – Electrochemistry Certification Guide

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Solutions MCQs

Electrochemistry MCQs

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