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Iron scraps are advisable and advantageo...

Iron scraps are advisable and advantageous than zinc scraps for reducing the low grade copper ores. Why?

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Zinc metal is costlier than iron Or Iron scraps are cheaer than zinc scraps.
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OSWAAL PUBLICATION-SOLVED PAPER (II PUC 2020)-PART-D
  1. Iron scraps are advisable and advantageous than zinc scraps for reduci...

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  2. Calcium metal crystallises in a face centered cubic lattice with edge ...

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  3. Vapour pressure of benzene is 200 mm of Hg. When 2 gram of a non-volat...

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  4. Calculate the e.m.f. of the cell in which the following reaction takes...

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  5. According to collision theory, what are the two factors that lead to e...

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  6. (a) Write a note of Dialysis. (b) What is the effect on Delta H and ...

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  7. (a) Explain S(N)1 mechanism for the conversion of tertiary butyl bromi...

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  8. How does anisole react with methyl chloride?

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  9. How is benzoyl chloride converted into benzaldehyde. Write the equatio...

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  10. (a) Mention the I.U.P.A.C. name of (CH(3)CH(2))(2)-N-CH(3). (b) How ...

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  11. Write a chemical reactions to elucidate Glucose contains five - O...

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  12. Name the monomers present in the following polymers. PVC

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  13. Calcium metal crystallises in a face centered cubic lattice with edge ...

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  14. Vapour pressure of benzene is 200 mm of Hg. When 2 gram of a non-volat...

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  15. Calculate the e.m.f. of the cell in which the following reaction takes...

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  16. Derive an intergrated rate for the first order reaction.

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  17. (a) Write a note of Dialysis. (b) What is the effect on Delta H and ...

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  18. (a) Explain S(N)1 mechanism for the conversion of tertiary butyl bromi...

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  19. Write the mechanism of aicd catalysed dehydration of ethanol to ethane...

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  20. How is benzoyl chloride converted into benzaldehyde. Write the equatio...

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  21. Write the IUPAC name of (CH(3))(2)N-CH(2)-CH(3).

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