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Why the vapour pressure is lowered when ...

Why the vapour pressure is lowered when urea is dissolved in water under ordinary condition?

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UNITED BOOK HOUSE-HIGHER SECONDARY EXAMINATION 2018-EXAMPLE
  1. Arrange K^(+), Zn^(2+), H^(+), Cu^(2+) ions in order of their tendency...

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  2. At a constant pressure, the solubility of a gas in a liquid, solvent c...

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  3. Why the vapour pressure is lowered when urea is dissolved in water und...

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  4. The particles of a true solution can pass through a semi-permeable mem...

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  5. What is chemisorption? Explain with an example.

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  6. Write with balanced chemical equation, what happens when chlorine gas ...

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  7. Write with balanced chemical equation, What happens when white phospho...

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  8. How many isomers are possible for [Co(NH3)4CI2? Draw their struc-tures...

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  9. What is condensation polymerisation? Write with an example.

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  10. What is the total number of voids in cubic close packed lattice?

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  11. Metallic gold (Au) crystallises in face-centred cubic lattice. What is...

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  12. What is a p-type semiconductor?

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  13. A cubic solid is made of two elements P and Q. Atoms of Q are at the c...

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  14. The concentration of a solution is 0.4M.What does it mean?

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  15. How many gram of glucose when dissolved in 2 litre of water will be is...

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  16. The standard electrode potential of Cu^(2+)|Cu half cell is +0.34V. Wh...

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  17. In a conductivity cell, the distance between the two Pt electrodes is ...

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  18. Write balanced chemcial equations for the preparation fo pure alumina ...

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  19. Write the balanced chemical equations how zinc blande is converted to ...

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  20. The general electronic configuration of d-block elements is

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