Chemistry Concepts and Applications

Section 1: Voltaic Cells: Electricity from Chemistry

Self Check Quizzes

1
Alessandro Volta built the first chemical battery using __________.
A)dissimilar metals
B)frog legs
C)gold foil
D)two samples of the same metal in solution
2
A/an __________ can be used to restore charge balance in a voltaic cell.

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A)anode
B)cathode
C)salt bridge
D)voltmeter
3
This is a product of the major reaction occuring in a zinc-carbon dry cell.

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A)Zn2+
B)H2O2
C)MnO2
D)Zn
4
Some of these electricity-producing devices have platinum electrodes, use hydrogen and oxygen, and produce water.
A)alkaline batteries
B)electrolytic cells
C)fuel cells
D)lithium batteries
5
Alkaline batteries replace the ammonium chloride of zinc-carbon batteries with __________.
A)potassium chloride
B)sodium chloride
C)potassium bromide
D)potassium hydroxide
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