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Question

During the production of blister copper in metallurgy the gas escapes from the surface of metal is :

A
CO2
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B
CO
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C
SO2
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D
SO3
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Solution

The correct option is A SO2
During the production of blister copper in Metallurgy the gas escape from the surface of the metal is SO2 to the following reactions are
2CuFeS2+O2Cu2S+2FeS+SO2
S+O2SO2
2Cu2S+3O22Cu2O+2SO2
2FeS+3O22FeO+2SO2

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