(a) Name the reducing agent used in the extraction of zinc oxide. Give – InterviewSolution

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1.	(a) Name the reducing agent used in the extraction of zinc oxide. Give the equation. (b) What is the principle involved in zone refining of metals?
Answer» Solution :(a) Coke (carbon) `ZnO+CrarrZn+CO` (B) The IMPURITIES are more SOLUBLE in the MELT than in the solid STATE of the metal.

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