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Mark the hydrophobic and hydrophilic par...

Mark the hydrophobic and hydrophilic parts of the following syn-thetic detergen

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UNITED BOOK HOUSE-HIGHER SECONDARY EXAMINATION 2017-EXERCISE
  1. In the solid state which of the following is the structure of alanine?

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  2. Which of the following is not a food preservative?

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  3. Mark the hydrophobic and hydrophilic parts of the following syn-thetic...

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  4. Atoms of which two elements among the following are of same size ? Zr,...

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  5. What would be the value of paramagnetic spin moment of K3[Fe(CN)6]? (A...

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  6. For which phenomenon colloidal particles do not settle down?

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  7. It 193000 coulomb of electricity is passed through a metallic wire, ho...

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  8. Write the appropriate Nernst equation for the following half-cell reac...

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  9. Write down the van't Hoff equation for osmotic pressure of a solution....

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  10. When urea is added to water the freezing point decreases. Explain why.

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  11. A U-tube is completely filled with Fe(OH)3 sol and a potential differe...

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  12. Define heterogeneous catalysis with an example.

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  13. How will you distinguish chemically between HN3 and HN3 ?

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  14. Writ down the balanced chemcial equation for the reaction of H2S with ...

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  15. Explain why Cu(NH(3))4]^(2+) ion is coloured but [Cu(CN)4]^(3-) ion is...

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  16. What are the two monomer units of terylene? Write the repeating unit o...

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  17. What is the ferromagnetic substance?

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  18. KBr crystallises in face-centered cubic (fcc) crystals. The density an...

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  19. Which kind of defect in ionic crystals does not alter the density ?

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  20. An element X has atomic mass 60 g mol^(-1) and density 6.23 g cm^(-3)....

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