MCQ
In electrochemical corrosion. the metal undergoing corrosion:
- ✓Acts as anode.
- BActs as cathode.
- CUndergoes reduction.
- DLiquifies.
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Statement $I$ : Sulphanilic acid gives esterification test for carboxyl group.
Statement $II$ : Sulphanilic acid gives red colour in Lassigne's test for extra element detection.
In the light of the above statements, choose the most appropriate answer from the options given below :