Describe various steps involve in the extraction of 99.99% pure copper from its chalcopyrite are. OR Explain the following properties of transition elements. *Catalytic property *Paramagnetic property *Variable oxidation state *Colour formation.

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Describe various steps involve in the extraction of 99.99% pure copper from its chalcopyrite are. OR Explain the following properties of transition elements. *Catalytic property *Paramagnetic property *Variable oxidation state *Colour formation.