Question

Blister copper is :

• A. electrolytically refined copper
• B. a mixture of impure copper and silver
• C. copper containing 2% impurity
• D. present in the anode mud in an electrolytic process

Answer 1

Answer: (C)

copper containing 2% impurity

Copper that is 97 to 98 percent pure, produced by smelting is called as Blister Copper. It has a blistery surface caused by sulfur dioxide bubbles.