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UNITED BOOK HOUSE-MODEL QUESTION PAPER 10-EXERCISE
- What is smog? State one harmful effect of N2O.
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- What are isodiaphers, Isotone & nuclear isomerism? Give example.
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- Which one has the highest paramanetic property and which one has least...
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- Find the position of the element having atomic number 24. In which blo...
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- What do you mean by Stair step diagonal? State its significance.
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- If the dipole moment and bond length of HF be 2.0 D and o.C.2A^@then f...
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- Explain why the viscosity and boiling point of H2SO4 is too high.Write...
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- What do you mean by surface tension? What is PI? How it is related wit...
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- What do you mean by enthalpy? Show that DeltaH= DeltaU + Delta nRT.
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- Define free energy. Comment for its change in a sponttaneous reaction.
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- Identify ABCD:A overset(Na) underset(LiqNH3)(rarr)B overset (CH3I)(rar...
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- If 4ml O2is obtained at 1.5atm pressure and 25^@C from 1 ml H2O2 sol...
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- How would you differch mically Na2CO3 & NaHCO3 which alkali metal form...
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- State the conditions of SN^2 reaction? What is I-effect?
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- What type of equilibrium 'is this 3Fe (s) + (g) f Fe3O4 (S) 4H2 (g)Di...
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- Shall phenolpthalein be used in neutralisation of Na2 CO3 by HC1? Why ...
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- Why CO Can't be dried using comes H2SO4? Give an example of a reaction...
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- State reason:Why the radius of Ga is less than that of Al.
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- State reason:The melting point of Boron is top high.What is Corundum? ...
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- How would you differ Chemically between ethane and ethene. What will h...
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