For Indicator Electrodes,which Statements Are True

For indicator electrodes,which statements are true?
I Indicator electrodes are made from relatively inert metals.
II Indicator electrodes work best when the electrode surface is large and clean.
III Platinum is a common indicator electrode.
IV Platinum electrodes are more inert than gold electrodes.

A) I,III,and IV
B) II and III
C) I,II,and IV
D) I,II,and III
E) I,II,III,and IV

Correct Answer:

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