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What is permutit ? What is degree of har...

What is permutit ? What is degree of hardness of water ? What is the unit of degree of hardness of water ?

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CHHAYA PUBLICATION-MODEL QUESTIONS PAPER -SET I (SECTION II ) (GROUP C)
  1. The ionisation potential of H-atom is 13.6 eV. Calculate the ionisatio...

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  2. Electron affinity of chlorine is greater than that of fluorine . Expla...

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  3. Arrange the following species in increasing order of acidic strength :...

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  4. 1st ionisation potential of Al is less than that of Mg- explain

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  5. State the position of ""(33) Q in the periodic table.

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  6. KHF(2) exists but KHCl(2) does not - explain .

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  7. Arrange the bonds in increasing order of bond polarity : Br- Cl , B - ...

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  8. A 15 L container containing 5.6 g of N(2) is fitted with another conta...

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  9. At Boyle temperature , what is the value of compressibility factor of ...

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  10. Write down the kinetic gas equation .

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  11. Define surface tension of liquids . What is its unit in SI system ?

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  12. 3 mol ideal gas expands isothermally & reversibly to 100 L at STP . ...

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  13. Calculate the bond strength of O-H bond in O-H bond in H(2) O (g) from...

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  14. Balance the chemical equation by ion-electron method : Cr(2) O(7)^(2-)...

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  15. What is the oxidation number of Fe in Na(2) [Fe(CN)(5) NO] ?

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  16. What is permutit ? What is degree of hardness of water ? What is the u...

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  17. Which alkali metal is used in photoelectric cells ?

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  18. How will you prepare : NaCl to Na(2) CO(3)

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  19. Arrange cis-but-2-ene , trans-but-2-ene and but-1-ene in increasing or...

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  20. What are electrophiles and nucleophiles ? Give examples

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