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UNITED BOOK HOUSE-MODEL QUESTION PAPER 7-EXERCISE
- What is acid rain? How it effects on soil,vegetation and human health?
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- Why electronic energy is negative?
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- What do you understand by stationary state? Does an electron remain st...
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- Atomic radius of chlorine atom is0.99 overset@A but ionic radius of ch...
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- State the group number in the modern periodic table where solid, liqui...
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- Arrange Mg, Al, Si and Na in the increasing order of their ionisation ...
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- Arrange according to the directions : Sb2O3, N2O5, AS2O3 (Increasing ...
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- Arrange according to the directions : B— CI, Ba— CI, Br— CI, CI— CI (...
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- In certain polar solvent, PCl5 undergoes ionisation as follows: 2PCl5 ...
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- Give an example, of intramolecular hydrogen bonding.
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- Bond angel of H2O is greater than H2S— Explain.Explain, ammonia is mor...
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- Out of SF(6) and SC l(2), S has highe electronegativity in which of th...
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- Arrange CO2, SO2 and NO2 gases in increasing order of their rates of d...
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- For a fixed mass of an ideal gas draw the following graphs: (i) P/T ...
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- Classify the different types of systems.with one example of each.
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- Show that DeltaH = q//p.
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- At T K, what will be the value of (H-U) for 1 mol of ideal gas?
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- Mention the oxidation number of Mn in KMnO4.
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- Balance the following chemical., equation by ion electron method :Cr2O...
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- Balance the reaction by oxidation number method AI+NaOH+H(2)OtoNaAIO...
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