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State the process in which sulphide ores...

State the process in which sulphide ores (are) concentrated. What is pyrometallurgy?

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UNITED BOOK HOUSE-SET-4-EXERCISE
  1. An urea solution at 50^@C has osmotic pressure of 400 mm of Hg at what...

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  2. Show that relative lowering of vapour pressure is a colligative proper...

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  3. Shall copper sulphate solution be stored in Ag container? What is fara...

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  4. If the equivalent wt of one metal be 35. Then calculate the current fl...

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  5. What is matte? What is the utility of cryolyte in the extraction of AI...

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  6. State the process in which sulphide ores (are) concentrated. What is p...

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  7. What transition metal shos catalytic nature. What acts as catalyst in ...

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  8. Why the actinides has lower ionisation potential as compare to lantha...

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  9. What will form when an alkyl halide is treated with AgCN solution. Arr...

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  10. Why phenol acts as an acid? What will happen if FeCI3 solution is adde...

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  11. Find A, B, C

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  12. What is anomer? What is isoelectric point of an amino acid give exampl...

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  13. N2(g)+3H2(g)=2NH3(g) What is the rate of disappearance of N2 and H2 is...

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  14. State one fractional order reaction.

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  15. What is molecularity of a chemical reaction. If the specific reaction ...

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  16. What will happen when: PCI3 is heated withLiAIH4 in ether.

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  17. What will happen when: XeF6 is hydrolysed.

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  18. What is interhalogen compound? Give example why the covalent halaides ...

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  19. How would you synthesise: Malonic acid from acetic acid.

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  20. How would you synthesise: Methanol from acetic acid. Give example of H...

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