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Select the correct statement(s) regardin...

Select the correct statement(s) regarding refrence electrodes

A

Standard hydrogen electrode (SHE) is used as a primary reference electrode

B

calomel electrode is used as a secondary reference electrode

C

calomel electrode is reversible with respect to chloride ion

D

quinhydrone electrode is also used as a reference electrode

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The correct Answer is:
A, B, C
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