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Describe the principle involved in each ...

Describe the principle involved in each of the following processes:
(a) Mond process for refining of nickel.
(b) Column chromatography for purification of rare elements.

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Give Mond process for refining of nickel.

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  10. Give Mond process for refining of nickel.

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  15. (i) Indicate the principle behind the method used for the refining of ...

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  18. Explain the steps involved in the vapour phase refining of Ni and Zr.

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