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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
- What is the state of hybridisation of Xe in : XeO3
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- What is the state of hybridisation of Xe in XeF4.
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- What is the difference of water molecules in plaster of paris and gyps...
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- The odour of acetic acid resembles that of :
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- Plaster of paris is hardens by .......................
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- Which of the following is evolved when Na2CO3 is heated ?
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- If pH of the solution is 13 then what does it indicate?
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- Why conc. H2 SO4 is viscous and has high boiling point ?
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- True of False: In group 16, the volatility of hydrides first increases...
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- True of False: Both pyrophosphoric acid and hypophosphoric acid have ...
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- A solution turns red litmus blue, its pH is likely to be :
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- True of False: In SF4, S involves sp^3d hybridisation.
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- True of False: Nitrogen cannot form compounds of the type R3N =O while...
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- Complete the following statement- Composition of brass is-
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- True of False: Concentrated H2SO4 can be used to prepare HBr from NaBr...
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- "A" is a soluble acidic oxide. compared to pH of pure water what will ...
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- "B" is a soluble basic oxide. compared to pH of pure water what will b...
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- An aqueous solution has a pH value of 7 . is this solution is acidic, ...
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- Explain why blue vitriol changes to white upon heating.
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- Which of the following gives CO2 on heating ?
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