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Which is not an ore of copper?...

Which is not an ore of copper?

A

`Cu(NO_3)_2`

B

`Cu_2O`

C

`Cu_2S`

D

`CuFeS_2`

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AAKASH INSTITUTE-TEST 2-EXERCISE
  1. Which of the following compounds can be hydrolysed?

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  2. The compound which reacts with ozone to liberate oxygen is

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  3. Which is not an ore of copper?

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  4. Consider the following ores: Haematite, Magnetite, Siderite, Iron pyri...

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  5. Which is not self reducing throughout the metallurgical process?

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  6. When impurity in metal can easily be oxidised than metal itself, then ...

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  7. Which of the following can be extracted by thermite process?

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  8. Select the incorrect match.

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  9. Which of the following is most stable oxidation state of manganese?

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  10. Which of the following exhibits only one type of lattice structure?

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  11. Which of the following carbide is not possible with Lanthanides (Ln)?

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  12. Consider the following conversion CrO4^(-2) ⇋ Cr^(+3) find n factor...

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  13. Least acidic among following is

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  14. Potassium dichromate reacts with potassium iodide in acidic medium. Wh...

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  15. Which of the following does not have dπ - pπ bond?

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  16. Titration of KMnO4 in acidic medium is not satisfactory in presence of

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  17. The lanthanide which do not exhibit +2 oxidation state is

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  18. Which is not a bidentate ligand?

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  19. Which of the following is a coordination compound?

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  20. 0.1 mole of CrCl3.4NH3 reacts with excess of AgNO3 solution then 0.1 ...

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