Question

Blister copper is

• A. pure copper
• B. copper ore
• C. 2% impure copper
• D. copper alloy

Answer 1

Answer: (C)

Blister copper is $98\%$ $Cu$ with $2\%$ impurities of $S,$ $As,$ $Fe,$ $Co,$ $Ni,$ $Zn,$ $Pb$ etc.