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Fill in the blanks by choosing the appro...

Fill in the blanks by choosing the appropriate word/words from those given in the brackets :
(more than, primary, cathode, Lucas reagent, two, four, less than, Grignard's -reagent, tertiary, anode, zero, equal to, three)
In electrolytic refining the impure metal is made _______ while a thin sheet of pure metal is used as _______ .

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To solve the question, we need to fill in the blanks based on our understanding of electrolytic refining. Let's break it down step by step: ### Step-by-Step Solution: 1. **Understanding Electrolytic Refining**: - Electrolytic refining is a method used to purify metals. It involves the use of electrolysis where an impure metal is used as an anode and a pure metal sheet is used as a cathode. 2. **Identifying the Role of the Impure Metal**: ...
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