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General Principles and processes of Isolation of Elements
easy
Blister copper is
A
pure copper
B
ore of copper
C
alloy of copper
D
impure copper
Solution
Blister copper is a form of a impure copper which is obtained in self reduction process during bessemerization.
Reactions take place in blast furnace-
$2 Cu _2 O + Cu _2 S \rightarrow 6 Cu + SO _2$
The molten metal is cooled in sand moulds $SO _2$ escapes. The impure copper metal is known as "Blister copper" and is about $98\, \%$ pure.
Standard 12
Chemistry
