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The diagonal-partner of element B is—...

The diagonal-partner of element B is—

A

Li

B

Al

C

Si

D

Mg

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UNITED BOOK HOUSE-TANTIA HIGH SCHOOL QUESTION PAPER -EXERCISE
  1. Which one among the following has the highest radius—

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  2. A vander waal’s gas may be have idealy when—

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  3. The diagonal-partner of element B is—

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  4. Ratio of pi to sigmabonds in benzene is—

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  5. Which is true for adiabatic process —

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  6. The reaction 3O2rarr2O3 is endothermic so. DeltaH for this reaction is...

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  7. The change in entropy in.a reversible adiabatic process is —

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  8. The rms velocity of an ideal gas varies directly with its density as —

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  9. Which has the maximum number of molecules among the following—

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  10. Write two limitations of Bohr’s atomic model.

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  11. Electron affinity of inert elements are positive. Why?

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  12. A metallic oxide contains 60% of metal. Calculate the equivalent weigh...

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  13. Calculate the equivalent weight of phosphate radical.

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  14. Arrange the following ions in ascending order of their ionic radic Na^...

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  15. Is the electronegativity of Sn^(2+) and Sn^(4+) equal or different? Ex...

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  16. When an electron jumps down from 5th Bohr orbit to 3rd Bohr orbit in H...

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  17. State Pauli's exclusion principle.

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  18. How many number of electrons are present in one HClO4 molecule.

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  19. An aromatic organic compound has the following composition by weight c...

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  20. Write the electronic configuration of Fe^(2+) and Cu^+ ions. Atomic nu...

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