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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 85)
        Assertion (A) Hydro metallurgy involves dissolving the ore in a suitable reagent followed by precipitation by a more electropositive metal. Reason (R) Copper is extracted by hydro metallurgy.

    Answer:

                        (b) Assertion and reason both are correct but reason is not the correct explanation of assertion. Hydrpmetallurgy involves dissolving the ore in suitable reagent followed by precipitation   with the help of more electropositive metal in which pure metal is get replaced by more electropositive metal.  


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