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In electrolytic refining of copper:...

In electrolytic refining of copper:

A

Impure metal is used as cathode.

B

Strip of pure metal is used as cathode

C

Soluble salt of metal is used as electrode.

D

Anode mud does not contain precious metals like gold and silver

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Read the following and answer any four questions During extraction of metals, electrolytic refining is used to obtain pure metals. During the process, the impure metal is made the anode and a thin strip of pure metal is made the cathode. The solution of the metal salt is used as an electrolyte. On passing the current through the electrolyte, the pure metal from the anode dissolves from the electrolyte. An equivalent of pure metal from the electrolyte is deposited on the cathode. In electrolytic refining of copper, impure copper act as_________and pure copper as_________:

During extraction of metals, electrolytic refining is used to obtain pure metals. During the process, the impure metal is made the anode and a thin strip of pure metal is made the cathode. The solution of the metal salt is used as an electrolyte. On passing the current through the electrolyte, the pure metal from the anode dissolves from the electrolyte. An equivalent of pure metal from the electrolyte is deposited on the cathode. In electrolytic refining of copper, ______ act as impure copper.

During extraction of metals, electrolytic refining is used to obtain pure metals. During the process, the impure metal is made the anode and a thin strip of pure metal is made the cathode. The solution of the metal salt is used as an electrolyte. On passing the current through the electrolyte, the pure metal from the anode dissolves from the electrolyte. An equivalent of pure metal from the electrolyte is deposited on the cathode. In electrolytic refining of copper, _______ is a strip of pure copper.

During electrolytic refining of copper, it gets

In the electrolytic refining of copper , copper is

OSWAL PUBLICATION-NEW CHAPTERS AND QUESTIONS BASED ON LATEST TYPOLOGIES INTRODUCED BY CBSE FOR 2021-22 EXAMINATION -METALS AND NON- METALS (SELF ASSESSMENT) (OBJECTIVE TYPE QUESTIONS) (A. Multiple Choice Questions)
  1. Elements or compounds which occur naturally in the earth's crust is k...

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  2. In electrolytic refining of copper:

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  3. In a thermite reaction, a compound of iron reacts with

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