12th Class Chemistry Metallurgy / धातुकर्म Question Bank 12th CBSE Chemistry Metallurgy

  • question_answer
      What is leaching? Give example.

    Answer:

      (i) Silver is extracted by hydrometallurgy. Ore                 is Broken into chips and powdered. (ii) Powdered ore is dissolved in dilute aqueous solution of NaCN in presence of air and filtrate is treated with more active metal like zinc to get silver metal,            


You need to login to perform this action.
You will be redirected in 3 sec spinner