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Which one of the following is a colligative property? ...
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Colligative properties of solutions are those which depend upon ...
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Osmotic pressure is 0.0821 atm at a temperature of 300K. Find the concentration in mol/litre ...
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The molar freezing constant for water is 1.86°C/mole. If 342 gm of cane sugar (C12H22O11) is dissolved in 1000 g of water, the solution will freeze at ...
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The boiling point of 0.11 g of a substance in 15 g of ether was found to be 0.1°C higher than that of pure ether. The molecular weight of the substance will be(kb=2.16) ...
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The vapour pressure of a solution of 5 g of non-electrolyte in 100 g of water at a particular temperature is 2985 N/m2. The vapour pressure of pure water at that temperature is 3000 N/m2. The molecular weight of the solute is ...
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The azeotropic mixture of water and HCl boils at 108.5°C. When this mixture is distilled, it is possible to obtain ...
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given ideal binary liquid solution with pA0<pB0. The slope of the line in the plot of Ptotal vs xB(mole fraction of B in the vapour) is ...
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The vapour pressure of a liquid in a cloased container depends upon ...
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Find the energy released in the nuclear fusion reaction 1H2+1H3→2He4+0n1 is (Atomic mass of (amu) 1H2=2.014;1H3=3.016; 2He4=4.003;0n1=1.009) ...
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92U235+n→fission products+n+ 3.20×10-11 J. The energy released when 1 g of U-235 undergoes fission is ...
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For equal mass of material, the energy released in fusion as compared to fission is ...
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which of the following is used as coolant in a nuclear reactor? ...
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The reactor used to convert free form to fissile form is ...
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The reaction 1D2+1T3→2He4+0n1 is an example of ...
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In a chain reaction, uranium atom gets fissioned forming two different materials. The total weight of these put together is ...
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When 92U235 nuclide is bombarded with slow neutrons, the nuclide undergoes ...
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Which of the following is used as moderator in nuclear reactor? ...
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In the nuclear reactor, the material used to control the chain reaction is ...
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In β-decay, n/p ratio ...
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Which of the following nuclei is unstable? ...
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if n/p ratio is high, the nucleus tends to stabilize by ...
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During α decay, n/p ratio ...
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A wood piece is 11460 years old. What is the fraction of C-14 activity left in the piece(t1/2 of C-14 is 5730 years) ...
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A piece of wood shows a C-14 activity which is 60% of the activity found today. The age of the sample is (t1/2 for C-14 is 5770 years) ...
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Wooden artifact and a freshly cut down tree give 7.6 and 15.2 counts min-1 g-1 of carbon respectively. The age of the artifact is(t1/2=5600 years) ...
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Loss of β-particle is equivalent to ...
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An isotope of X239 can be converted to X235 by the emission of ...
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In the nuclear reaction 92U235→82Pb207, the number of α & β particles lost would be ...
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The loss of α particle results in ...