Question

Blister copper is _______

• A. $99\%$ pure copper
• B. $99.95\%$ pure copper
• C. $99.99\%$ pure copper
• D. $99.95-99.99\%$ pure copper

Answer 1

Answer: (A)

Blister copper is $99\%$ pure copper and mainly contains impurities of $Ag$ and $Au$. It is further refined to $99.99\%$ purity by carrying out electrolysis