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PATHFINDER-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
- Give the common method of preparation of N2O5.
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- Element A has two electrons in its valence shell and its principle qua...
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- Match column I and column II
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- Match column I and column II
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- Match column I and column II
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- Match column I and column II
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- Match column I and column II
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- Select total no.of the acidic compounds out of the given CsOH,SO2(OH)2...
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- Draw the structure of Furfural.
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- How many elements are possible for 1st period of periodic table if azi...
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- Write the approximate Ea Of atom X in eV/atom unit using the data give...
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- Choose the number of correct statement(s) form the following: ist io...
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- For the gaseous phase reaction K+F rarr K^+ +F^- ,delta H was calculat...
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- 1g of Mg atoms in the vapour phase absorbs 50.0KJ of energy find the p...
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- The first ionisation energy of H and He are 13.6eV and 24.6eV respecti...
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- The ionisation energy of lithium is 5.40eV if ionisation energy of H i...
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- Calculate the electronegativity of fluorine from the following data EH...
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- Calculate the electronegativity gamma of silicon using alfred rochow e...
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- In BI3 molecule distance between two I atoms is found to be 3.54overse...
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- Atomic radius of F(g) and F^-(g) are 72 and 136 pm respectively calcul...
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