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Two solution having gold number 75 and 1...

Two solution having gold number 75 and 125 which one has more protective power and why?

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UNITED BOOK HOUSE-SET-4-EXERCISE
  1. Calculate the freezing point of water when 50 gm urea is dissolved exa...

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  2. What is cataphoresis? Give example.

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  3. Two solution having gold number 75 and 125 which one has more protecti...

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  4. Between white & red phosphorus which one is more reactive & why?

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  5. What are chelates? Give one example.

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  6. What is crystal field stabilisation energy? If the energy of Bary cent...

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  7. Define the process vulcanization.

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  8. What is octahedral void? Show that for face entred cubic unit cell no...

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  9. What is p-type semiconductor? Define antiferromagnetic substance? Give...

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  10. An urea solution at 50^@C has osmotic pressure of 400 mm of Hg at what...

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

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

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

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

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

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

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

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

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

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  20. Find A, B, C

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