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State the group number in the modern per...

State the group number in the modern periodic table where solid, liquid and gaseous elements are present at ordinary temperature. Identify the solid and liquid elements.

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UNITED BOOK HOUSE-MODEL QUESTION PAPER 7-EXERCISE
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  2. Atomic radius of chlorine atom is0.99 overset@A but ionic radius of ch...

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  3. State the group number in the modern periodic table where solid, liqui...

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  4. Arrange Mg, Al, Si and Na in the increasing order of their ionisation ...

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  5. Arrange according to the directions : Sb2O3, N2O5, AS2O3 (Increasing ...

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  6. Arrange according to the directions : B— CI, Ba— CI, Br— CI, CI— CI (...

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  7. In certain polar solvent, PCl5 undergoes ionisation as follows: 2PCl5 ...

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  8. Give an example, of intramolecular hydrogen bonding.

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  9. Bond angel of H2O is greater than H2S— Explain.Explain, ammonia is mor...

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  10. Out of SF(6) and SC l(2), S has highe electronegativity in which of th...

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  11. Arrange CO2, SO2 and NO2 gases in increasing order of their rates of d...

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  12. For a fixed mass of an ideal gas draw the following graphs: (i) P/T ...

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  13. Classify the different types of systems.with one example of each.

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  14. Show that DeltaH = q//p.

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  15. At T K, what will be the value of (H-U) for 1 mol of ideal gas?

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  16. Mention the oxidation number of Mn in KMnO4.

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  17. Balance the following chemical., equation by ion electron method :Cr2O...

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  18. Balance the reaction by oxidation number method AI+NaOH+H(2)OtoNaAIO...

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  19. Find the oxidation state of C— 1 and C— 2 in CH3CH2OH.

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  20. What do you mean by 30 volume H2O2 solution? Why H2O2 exhibit both ox...

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