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Why blast furnace is not used in the ext...

Why blast furnace is not used in the extraction of zinc? Why Iron can't be extracted form iron pyrities?

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UNITED BOOK HOUSE-SET-16-EXERCISE
  1. Copper form face centred cubic lattice with side length 362 pm. Calcul...

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  2. Osmotic pressure of blood is 7.40 atm at 27^@C. Number of mol of gluco...

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  3. Write the monomers of Dacron.

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  4. How will you convert: benzaldehyde to cinnamic acid

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  5. How would you carry out the following conversion? Aniline rarr 1, 4-D...

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  6. Explain why 1-butyne produces white precipitate with ammoniacal AgNO3 ...

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  7. What pappen when phenol is heated with caustic soda and chloro-form. W...

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  8. What pappen when phenol is heated with caustic soda and chloro-form. W...

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  9. What will happen when C6H5overset(oplus)N2overset(Theta)Cl as added to...

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  10. What is the role of sodium xanthates in froth flotation process? State...

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  11. Why blast furnace is not used in the extraction of zinc? Why Iron can'...

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  12. Which of the following compounds is called malachite?

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  13. TiCI3 coloured but TiCI4 colourless-Explain. Complete the following re...

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  14. Draw the structure of D-Glucoese. Which vitamin deficit courses perni-...

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  15. Which of the following element(s) is/are present in bronze?

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  16. Explain the following. Interhalogen compounds are more reactive than ...

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  17. Draw the structure of H4P2O7 and H2S2O7.

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  18. Which happens when. Ozone reacts with KI in presence of H2SO4. Sodium ...

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  19. Arrange as per increasing acidic nature: HOCI,HCIO 3 , HCIO4, HCIO2

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  20. What happens when white phosphorus reacts with boiling sodium hydroxid...

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