The addition of silica during the extraction of copper from its sulphide ore
The addition of silica during the extraction of copper from its sulphide ore
Option 1 - <p>Reduces copper sulphide into metallic copper<br><!-- [if !supportLineBreakNewLine]--><br><!--[endif]--></p>
Option 2 - <p>Reduces the melting point of the reaction mixture</p>
Option 3 - <p>Converts copper sulphide into copper silicate</p>
Option 4 - <p>Converts iron oxide into iron silicate</p>
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Correct Option - 1
Detailed Solution:
FeO (Impurities) + SiO? (Flux) → FeSiO? (Iron silicate) Slag
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Chemistry NCERT Exemplar Solutions Class 11th Chapter Eight 2025
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