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What type of ores can be concentrated ...

What type of ores can be concentrated by magnetic separation method ?

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These are four types:
1. Hydraulic washing
2. Magentic separation
3. Froth floatation method
4. Leaching
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XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-SET-III
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  2. , Out of which is an example of a benzylic halide?

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  3. Write the formula of the compound of iodine which is obtained when con...

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  4. What type of colloid is formed when a gas is dispersed in a liquid? Gi...

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  5. Write the IUPAC name of the following compound: CH(3)-O-underset(CH(...

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  6. Draw the structure of the following: (a) XeF(4) (b) BrF(5)

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  7. Write the name of the cell which is generally used in transistors. Wri...

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  8. Using IUPAC norms write the formulae for the following: (a) Potassiu...

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  9. (a) What type of isomerism is shown by the complex [Co(NH(3))(5)(SCN)]...

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  10. (a) Based on the nature of intermolecular forces, classify the followi...

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  11. (a) Write the principle of electrolytic refining. (b) Why does coppe...

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  12. Define the following: (a) Cationic detergents (b) Broad spectrum a...

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  13. Write the structures of the monomers used for getting the following po...

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  14. What is meant by reverse osmosis?.

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  15. What type of ores can be concentrated by magnetic separation method ...

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  16. Describle the principal controlling each of the following processe...

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  17. Explain giving reason: (i) Treansition metals and their compounds g...

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  18. Explain the following giving an exmaple in each case: (i) Linka...

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  19. Write the state of hybridization, the shape and the magnetic behavi...

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  20. Write the names and structure of the monomers of the following pol...

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