Multiple Choice
Identify the choice that best completes the
statement or answers the question.
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1
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The metal atoms that plate your object come from
A) | the negative electrode | C) | copper ions | B) | the positive
electrode | D) | the
electrolyte |
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2
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If we're copper plating some brass, we need
A) | it doesn’t matter which electrode is positive or negative | C) | the brass electrode
positive and the copper electrode negative | B) | the copper electrode positive and the brass
electrode negative | D) | both
electrodes have to be the same charge |
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3
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The piece that is going to be electroplated is first cleaned by
A) | scrubbing it thoroughly with soap and water | C) | dipping it in an
acid | B) | wiping it with a clean cloth | D) | dipping it in an organic
solvent |
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4
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What is galvanization?
A) | coating a metal with zinc to make them corrosion resistant | C) | coating a metal
with gold to make them corrosion resistant | B) | coating a metal with tin to make them corrosion
resistant | D) | coating a metal
with iron to make them corrosion resistant |
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5
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Plastics are electroplated to
A) | make them look like metal | C) | improve their
longevity | B) | to prevent corrosion | D) | make them stronger |
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6
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If we're copper plating some brass, we need
A) | a brass electrode, a copper electrode, and a solution of a brass-based
compound | C) | a copper electrode, a brass electrode, and a solution of a copper-based
compound | B) | two copper electrodes and a solution of a brass-based compound | D) | two brass electrodes and a solution of a
copper-based compound |
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7
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The basic idea of electroplating is to
A) | coat metals with a nonmetal | C) | turn one metal into
another | B) | turn common metals into gold | D) | coat one metal with
another |
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