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Which of the following is not a mineral ...

Which of the following is not a mineral for iron metal ?

A

i) Copper iron pyrites

B

ii) Haematite

C

iii) Magnetite.

D

(iv). carnallite

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VGS PUBLICATION-BRILLIANT-PRINCIPLES OF METALLURGY-EXERCISE
  1. Extract Na from NaCl, we obtain Na at

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  2. i) Bauxite (Al2O3 * 2H2O) ii) Copper iron pyrites (CuFeS2) iii) Gypsum...

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  3. Which of the following is not a mineral for iron metal ?

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  4. Which of the following undergoes an auto (self) reduction ? i) PbO i...

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  5. The process in which the ore is mixed with flux and fuel and strongly ...

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  6. Which of the following is not used to purification of a metal ?

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  7. Which of the following metal is low reactivity metal ?

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  8. Which of the following method is used for purification of Zinc ?

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  9. Name few highly reactive metals, which are never found in nature in fr...

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  10. Which of the following is the correct formula of gypsum?

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  11. Which of the following is not sulphide ore ?

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  12. In which of the following method a stream of water is used ?

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  13. Which of the following is a chemical method ?

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  14. Which of the following is wrong about poling ?

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  15. Which of the following is the correct order of activities series ?

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  16. Which of the following metal is not available in native state ?

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  17. Which method is most suitable to enrich the sulphide ores ?

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  18. Which of the following is slag formed in the smelting of iron ?

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  19. The parts 5 and 2 are

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  20. Which part is labelled wrong ?

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