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In which of the following pairs, both th...

In which of the following pairs, both the ores are oxides ?

A

Cuprite, Bauxite

B

Haematite, Cerrusite

C

Argentite, Cassiterite

D

Siderite, Zincite

Text Solution

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The correct Answer is:
A
`{:("Cuprite"=Cu_(2)O" "," ","Bauxite"=Al_(2)O_(3).2H_(2)O),("Haematite"=Fe_(2)O_(3)", ","Cerrusite "=PbCO_(3)),("Argentite"=Ag_(2)S" "," ","Cassiterite"=SnO_(2)),("Siderite"=FeCO_(3)" ," ", Zi ncite=ZnO):}`
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RESONANCE-METALLURGY-INORGANIC CHEMISTRY(Metallurgy)
  1. Reducing agent of haematite in blast- furnace is

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  2. PbSunderset(Delta)overset("air")rarr X," " X+PbSrarrPb+SO(2) 'X' i...

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  3. In which of the following pairs, both the ores are oxides ?

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  4. Which of the following statements is incorrect ?

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  5. Gravity separation methode is based upon :

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  6. Sulphide ores are generally concentrated by the :

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  7. Which one of the following sulphide ores is concentrated by chemical l...

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  8. NaCN is sometimes added in the froth flotation process as a depressant...

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  9. Which of the following process is related with the removal of sulphur ...

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  10. Consider the following statements . Roasting is carried out to : (i...

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  11. Main source of lead is galena (PbS). It is converted to Pb by : S...

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  12. The chemical composition of " slag " formed during the smelting proces...

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  13. Pb and Sn are extracted from their chief ore by :

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  14. Poling process :

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  15. In the process of extraction of gold. Roasted gold ore +CN^(-)+H(2)O...

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  16. In electrorefining, the impure metal is made .

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  17. which of the following electronts is present as the impurity to the m...

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  18. Which of the following process is used in the extractive metallurgy of...

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  19. Which metal is extracted using a hyddrometallurgical process involving...

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  20. Bessemer converter is used for Atomic nos, Mn = 25, Fe = 26, Co = 27...

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