First slide
General methods of extraction of elements from the earth crust

Match List – I with List – II 

List – I         List – II 

a) Siderite      i) Cu

b) Calamine   ii) Ca

c) Malachite   iii) Fe

d) Cryolite      iv) Al

                        v) Zn 

Choose the correct answer from the options given below:


 Siderite FeCO3_ Calamine ZnCO3 Malachite Cu(OH)2CuCO3 Cryolite Na3AlF6

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