SATHEE: Purification And Characterisation Of Organic Compounds Question 136

Purification And Characterisation Of Organic Compounds Question 136

Question: If an impurity in a metal has a greater affinity for oxygen and is more easily oxidised than the metal, then the purification of metal may be carried out by

Options:

A) Poling

B) Zone refining

C) Electrolytic refining

D) Cupellation

Show Answer

Answer:

Correct Answer: D

Solution:

[d] Cupellation can be used in such a case.

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Purification And Characterisation Of Organic Compounds Question 136

Question: If an impurity in a metal has a greater affinity for oxygen and is more easily oxidised than the metal, then the purification of metal may be carried out by

Options:

Answer:

Solution:

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