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  3. 11th Class
  4. Chemistry
  5. Organic Chemistry: Some Basic Principles & Techniques / कार्बनिक रसायन : कुछ मूलभूत सिद्धांत एवं तकन

11th Class Chemistry Organic Chemistry: Some Basic Principles & Techniques / कार्बनिक रसायन : कुछ मूलभूत सिद्धांत एवं तकन

  • question_answer 67)
        Why is sulphide ore of copper heated in a furnace after mixing with silica?

    Answer:

                        Silica (flux) being an acidic flux removes the impurities of iron oxide the basic impurity. By reacting with it. Thus, iron silicate (slag) is formed.                   


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