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Which among the following is malachite?

Option 1 -

2CuCO3.Cu(OH)2

Option 2 -

Cu2O

Option 3 -

CuCO3.Cu(OH)2

Option 4 -

Cu2S.Fe2S3

0 2 Views | Posted a month ago
Asked by Shiksha User

  • 1 Answer

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    a month ago
    Correct Option - 3


    Detailed Solution:

    Malachite : CuCO3.Cu (OH)2

    Azurite : 2CuCO3.Cu (OH)2

    Cuprite : Cu2O

    Copper pyrite : Cu2S.Fe2S3.

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Kindly go through the solution

 

Statement – I : Ellingham diagram explains the kinetics of reduction process.

Statement – II : Hydraulic washing, a method of concentration of ore is based on the differences in gravities of the ore and the gangue.

In the light of above statements choose the correct option among the following.
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Vishal Baghel

Ellingham diagram explains the feasibility of reduction process not the kinetics of process.

Match List – I with List – II

                  List – I                                                                               List – II

                  (Metal)                                                                             (Ores)

           (a) Aluminium                                                                (i) Siderite

           (b) Iron                                                                             (ii) Calamine

           (c) Copper                                                                       (iii) Kaolinite

           (d) Zinc                                                                             (iv) Malachite

           Choose the correct answer from the options given below:
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Aluminium         -             Kaolinite

Iron                         -             Siderite

Copper                   -             Malachite

Zinc             &

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