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Study Quiz 3
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1
What is true about the process of rusting iron?
A)The ability of iron to conduct electricity makes iron more reactive.
B)The cathode is usually a reactive substance.
C)Electrolytes such as road salt are not a factor.
D)Iron is a powerful oxidizing agent.
2
Which is not an effective corrosion prevention measure?
A)painting iron objects
B)forming alloys with other metals
C)coating steel with tin
D)galvanizing
3
Which material makes a good sacrificial anode for galvanizing and cathodic protection processes?
A)zinc
B)chromium
C)enamel
D)carbon
4
Which element would not be included in stainless steel alloys?
A)chromium
B)tin
C)nickel
D)carbon
5
Which of the following devices is most energy efficient?
A)the internal combustion engine
B)the oxygen fuel cell
C)the hydrogen fuel cell
D)an electric fuel cell
6
Which of the following energy sources is not currently used in any type of automobile?
A)rechargeable batteries
B)fuel cells
C)hydrogen fuel cells
D)the internal combustion engine
7
Which statement about the chlor-alkali process is true?
A)The Downs cell is used.
B)The only useful product is chlorine.
C)A redox reaction is highly unlikely.
D)An aqueous sodium chloride solution is electrolyzed in a cell.
8
Which of the following could be represented by the overall cell reaction shown below?

2Cl-(aq) +2H2O(l)à Cl2(g) + H2(g) + 2OH-(aq)

A)an alkaline fuel cell
B)a chlor-alkali process
C)a Daniell cell
D)a corrosion reaction





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