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OSWAAL PUBLICATION-Sample Paper 1 -Exercise
- How is Ozone layer formed in the stratosphere? Name a chief chemical t...
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- Arrange the following in the decreasing order of their ionic radius:N^...
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- State modern periodic for the linear combination of atomic orbitals.
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- Draw the shapes of BMO and ABMO formed by the combination of 1s and 1s...
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- What are sigma and pi bonds?
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- sigma bond is stronger compare to p bond.
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- Define dipole moment of a polar bond.
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- Show that BeF2 molecule has zero dipole moment.
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- Balance the redox reaction using oxidatin numver method: MnO4^-(aq)rar...
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- Explain with equations the production of dihydrogen increased by coal ...
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- Compared the 2nd Ionisation enthalpies and Hydration enthalpies of Alk...
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- What is the chemical formula of plaster of paris?
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- Between boron and aluminium,boron cannot have covalency more than 4 bu...
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- Explain the reaction of diborane when it is exposed to air?
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- Define limiting reagent.
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- Define molarity and molality.
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- CaCO3 decomposes to give CO2 gas according to the equation. CaCO3(s)...
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- The atomic number and atomic mass of iron are 26 and 56 respectively....
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- Calculate the wave number of the spectral line of shortest wavelength ...
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- For the element with atomic number 24:Write the electronic configurati...
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