Question 14

Copper can best be purified by

  • A.roasting the impure copper in a blast furnace
  • B.heating the oxide with coke
  • C.electrolyzing a copper (ii) salt solution using the impure copper as the anode
  • D.washing the impure copper with sodium hydroxide solution
Objective

Question details

Exam body
UNIZIK
Subject
Chemistry
Year
2009/2010 Day 1
Question no.
#14
Type
Objective

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