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Name the element with electronic configu...

Name the element with electronic configuration 1s2 2s2

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If pentavalent impuritles are added then n-type of semicond,!.ltors are produced.
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OMEGA PUBLICATION-THE SOLID STATE-MULTIPLE CHOICE QUESTIONS
  1. Which of the following is Bragg's equation?

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  2. 74.5g of metal chloride contains 35.5g of chlorine. the equivalent wei...

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  3. Name the element with electronic configuration 1s2 2s2

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  4. The units of molality are ...........

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  5. How many gram of oxygen is required to completely react with 0.200g of...

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  6. Calculate the amount of water produced by the combustion of 16g of me...

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  7. How many moles of methane are required to produce 22 g of CO2 for comb...

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  8. Missing of one positive ion and one negative ion from the crystal latt...

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  9. If edge of a bcc crystal of an element is a cm, number, then density o...

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  10. Amorphous solids

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  11. The number of atoms present in a fcc unit cell is

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  12. 200 ml of N/10 H2SO4 is mixed into 300ml N/100 NaOH . calculate norma...

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  13. The number of atoms in bcc arrangement is

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  14. The fraction of volume occupied by atoms in a primitive cubic unit cel...

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  15. Volume occupied in f. c. c. is :

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  16. The conductivity of metals increases with:

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  17. What is radius ratio for the co-ordination number 8

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  18. How many moles of sodium chloride are present in 250 ml of a 0.50M NaC...

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  19. Calculate number of moles of Na2SO4 produced from 1 mole of NaOH when ...

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  20. Calculate mass of CO2 produced by heating 40g of 20% limestone.

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