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Tin is extracted from tin stone by heati...

Tin is extracted from tin stone by heating it in a furance with

A

`CaCO_(3)`

B

Coal

C

CaO

D

Steam

Text Solution

Verified by Experts

The correct Answer is:
B
`SnO_(2) + 2C rarr Sn + 2CO`.
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Statement-1: Wolframite impurity is separated from SnO , by magnetic separation. Statement-2: Tin stone is ferromagnetic, therefore attracted by magnet.

CENGAGE CHEMISTRY-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-Exercise (Single Correcttype)
  1. Granulated zinc is obtained by

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  2. Which of the following is not an ore of lead?

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  3. Tin is extracted from tin stone by heating it in a furance with

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  4. Spelter is

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  5. CO on passing over heated nickel gives

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  6. The smelting of iron in a blast furance involves all the steps except

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  7. Before introducing FeO in blast furance, it is converted to Fe(2)O(3) ...

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  8. During Bessemerisation of copper, the reaction taking place in the Bes...

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  9. Which metal is a liquid at room temperature ?

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  10. Which method is not correct for refining of crude metals ?

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  11. Which of the following combination represents the correct matching of ...

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  12. Which of the following benefication processes is used for the mineral ...

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  13. Heating mixture of Cu(2)Oand Cu(2)S will give

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  14. DeltaG^(Ө) vs T plot in Ellingham diagram slopes downward for the reac...

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  15. Which of the following reactions taking place in the blast furnace dur...

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  16. The ore having two different metal atoms is

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  17. Which of the following statements about the reduction is not true ?

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  18. Among the metals Cr,Fe,Mn,Ti,Ba, and Mg, the one that cannot be obtain...

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  19. Extraction of iron from zine blende is achieved by

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  20. Which of the following faction is of no significance for roasting sul...

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