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Choose the incorrect methods for each:...

Choose the incorrect methods for each:

A

`Ni`: electrolysis process, `Cu`: van Arkel process, `Zn`: refinining, `Ga`: zone refining

B

`Ni`: mond's process, `Cu`: electrolysis, `Zr`: van Arkel process, `Ga`: zone refining

C

`Ni`: electrolysis process, `Cu`: zone refining, `Zr`: van Arkel process, `Ga`: electrolysis

D

`Ni`: electrolysis process, `Cu`: zone refining, `Zr`: van Arkel process, `Ga`: mond's process

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The correct Answer is:
A, C, D
acd
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