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Zinc liberates hydrogen gas when reacted...

Zinc liberates hydrogen gas when reacted with dilute nitric acid whereas copper does not. Why ?

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OSWAAL PUBLICATION-Sample Paper 5-Exercise
  1. Complete the following equations: SO2(g)+Cl2(g)rarr

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  2. Complete the following equations: SO3+Conc.H2SO4rarr

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  3. Zinc liberates hydrogen gas when reacted with dilute nitric acid where...

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  4. How concentrated sulphuric acid reacts with potassium bromide.

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  5. Explain colour of transition metal compounds based on crystal field sp...

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  6. Describe experiment to determine the mass of KMnO4 present in 1dm^3 of...

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  7. Write the IUPAC names of the following: K4[Ni(CN)4]

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  8. Write the IUPAC Name of the [Pt(NH3)6]Cl4

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  9. Give an example for a cationic complex.

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  10. With the help of valence bond theory explain hybridization, geometry a...

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

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  12. On the basis of electron gas theory explain the metallic lusture prope...

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  13. Define relative lowering of vapour pressure.

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  14. Write any two demerits of standard hydrogen electrode.

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  15. Explain construction of Daniel cell. Write half cell reactions. How is...

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  16. Write the equations of anodic and cathodic reactions occur during rust...

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  17. Derive an expression for the density of solids.

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  18. Define Energy of Activation.

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  19. Write any two differences between physisorption and chemisorption.

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  20. Name the phenomenon/effect for the following : Colloidal particles a...

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