Question

Impure form of copper is called
as-
---Copper.
O a)Active
O b) Crude
O c)Blister
O d) Inert​

Answer 1

Answer:

The molten metal is cooled in sand moulds SO2 escapes. The impure copper metal is known as "Blister copper" and is about 98% pure.

Answer 2

Answer:

• Blister copper.

The impure copper metal is known as "Blister copper" and is about 98% pure.

I hope it helps...

:D