For Indicator Electrodes,which Statements Are True

question 15

Multiple Choice

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

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