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Chalcopyrite is an ore of -...

Chalcopyrite is an ore of -

A

`Ag`

B

`Cu`

C

`Au`

D

`Mg`

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Chalcopyrites is an ore of

How many of the following ores contain Silver? Hornsilver, Cerrusite, Chalcopyrite, Galena, Anglesite, Argentite

Roasting is carried out in extraction of metal in how many ores/minerals? Chalcopyrite, magnetite, Cassiterite containing impurity of pyrites of Fe and Cu, Galena, Zinc blende, Siderite,

Out of following how many ores are concentrated by froth flotation ? (i) Chalcopyrite (ii) Silver glance (iii) Siderite (iv) Malachite (v) Horn silver (vi) Fools' gold

Copper is the most noble of the first transition metals and occurs in small deposits in several countries. Ores of copper include chalcanthite (CuSO_(4).5H_(2)O) , atacamite (Cu_(2)Cl(OH)_(3)) , cuprite (Cu_(2)O) , copper glance (Cu_(2)S) and malachite (Cu_(2)(OH)_(2)CO_(3)) . Howerver 80% of the world copper production comes from the ore chalcopyrites (CuFeS_(2)) the extraction of copper from chalcopyrites involves partial roasting of iron and self reduction. Q. Partial roasting of chalcopyrites with silica added to it, produces,

AAKASH INSTITUTE-TEST 5-EXAMPLE
  1. Which of the following is not isostuctural with SiCl4 ?

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  2. when sodium metal reacts with NH3 at high temprature, it gives a salt ...

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  3. Chalcopyrite is an ore of -

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  4. van Arkel method is used for the refiqing of -

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  5. Which of the following is not an oxide ore?

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  6. Self reduction process can't be used for the extraction of -

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  7. Sodium metal is extracted by the electrolysis of -

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  8. The metal ion(s) having 3d^2 configuration is/are (Ti = 22, V = 23, Cr...

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  9. The correct order of first ionization energy is -

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  10. Incorrect statement for transition elements is -

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  11. Which of following salt solution will impart greenish colour?

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  12. The ambidentate ligand among the following is

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  13. The hybridisation of Ag in [Ag(NH3)2]^(+) complex is

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  14. The coordination number and gxidaion state of metal M in the complex [...

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  15. Complex(s) fotmed during the hydrometallurgy of Ag ore is/are -

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  16. In the extraction.of copper, the metal is obtained by the reduction of...

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  17. Incorrect statement among the following is -

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  18. When excess of silver nitrate is added to 200 ml of 0.05M [Cu(NH3)4]Cl...

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  19. The pair of coloured species in the following is -

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  20. Number of rings present in the Complex[Co(en)2ClBr] is -

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