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Magnetic separation is used for increasi...

Magnetic separation is used for increasing concentration of the following

A

Horon silver

B

Calcite

C

Haematite

D

Magnesite

Text Solution

Verified by Experts

The correct Answer is:
C
Haematite is `Fe_(2)O_(3)`, a magnetic ore.
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CENGAGE CHEMISTRY ENGLISH-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-Exercise (Single Correcttype)
  1. Which of the following benefication processes is used for the mineral ...

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  2. In the aluminothermite process, aluminium is

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  3. Magnetic separation is used for increasing concentration of the follow...

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  4. Which of the following statements, about the advantage of roasting of ...

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  5. When the sample of copper with zinc impurityn is to be purified by ele...

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  6. During the process of electrolytic refining of copper some metals pres...

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  7. Heating mixture of Cu(2)O and Cu(2)S will give

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  8. Sulphide ore of metal are usually concentrated by froth flotation proc...

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  9. Heating of ore in presence of air to remove sulphur impurities is call...

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  10. The method of zone refining of metals is based on the principle of

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  11. Which of the following factors is of no significance for roasting sul...

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  12. Complex formation for cyanide method is used for the extraction of

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  13. The least stable oxide at room temperature is

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  14. High purity copper metal is obtained by

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  15. Corumdum is

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  16. Whch ore can be best concentrated by froth flotation process ?

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  17. Which of the following metal is extracted by the use of cyanide soluti...

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  18. When MnO2 is fused with KOH and O2, what is the product formed and its...

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  19. Pb and Sn are extracted from their chief ore respectively by

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  20. The substance not likely to contain CaCO(3) is : (2003)

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