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a 1.0*10-3 moles of chloride of an element X is completely hydrolysed. It ws found that the resulting solution required 20 ml of 0.1 N AgNO3 for complete precipitation of the chloride. then X could be (A) Al (B) P (C) Si (D) ...
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Limitm→∞ Limitn→∞ (1+cos2m(n!πx)) where n! denotes factorial of n.. Answer=2 if x is rational and 1 if x is irrational.. ...
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0.5 g of fuming H2SO4 (oleum) is diluted with water. This solution is completely neutralized by 26.7 ml of 0.4 N NaOH. The % of free SO3 in the solution is (A) 20.6% (B) 26% (C) 30% (D) 19% ...
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2-methylbutane can be prepared by ...
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points (1,-1), (-1,1), (2,2), (-2,-2) are vertices of a ...
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*Image* ...
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can pl smeone tell me a gud way to find consraint relations cz in mst prblms i can figure it out by common sense but there must be a proper "theoretical" way ...
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An automatic machine makes paper clips from wire coiling. If on an average 1 in 400 paper clips are defective and 100 clips are packed in each box, What are the probabilities that any box of clips will contain : a) No defecti ...
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1)which one reacts fastest with aq. methanol ? a. Me3C-Br b. Me3C-Cl c.Me2CH-Br c. Me-CH2-CH2-Br 2)find the product of the following reaction - 1-bromo-4fluoro-benzene + Mg (+ether) ---> ...
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i want to see JEE 2010 opening closing rank list in various institutes..(ROUND 1).please give me a link. Does it happen that the institute/branch gets changed in different round? ...
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1) n-factor is defined as: a) Number of moles of electrons either gained or lost per mole of reactant. b) Number of electrons either gained or lost per molecule of reactant. question: which is correct? A) a B) b C) both D) no ...
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I`m having problems understanding LC oscillations........Can someone please explain????hcverma n resnick halliday is not helping me..... ...
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why a accelarated charged body produce electromagnetic radiation??????????? ...
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find the least positive value of a+b,where a,b are positive integers and such that 11divides a+13b and 13 divides a+11b ...
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Let ABC be the triangle formed by intersection of the lines x-y=0 , y=0 and 7x+y = 56. Find the minimum possible perimeter of the family of triangles inscribed in ABC. ...
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Q. Find the number of ways of selecting 10 objects out of 30 objects of which 10 are alike and rest are different? ...
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Our dear member Ricky, is going to give his ISI entrance interview on 21st of this month. I wish him all the best for his day.. May his dreams come true! [1] ...
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Help me friends.I am not able to solve it. If tan( (pi/4) + y/2) = tan3 ( (pi/4) + x/2), prove that sin(y)/ sin(x) = (3 + sin2x)/ (1+ 3sin2x) ...
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if (9,23) and (49,53) are the 2 focii of an ellipse. and x- axis is tangent to it.then find the length of major axis.?? ...
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what does the phrase "nestles atop" mean? ...
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Ltx→0Ltn→∞ 1/n3 ∫nr=1[r2 (sin x)x] ,[x] is greatest integer fn2 ;∫ is summation ...
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If a number n can be expressed as sum of two perfect squares prove that 2^{17^{17^{17^{17}}}}n can also be expressed as sum of two squares. ...
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have anyone recieved aieee original score yet?? can we report at the reporting centre with the internet version of the score card? ...
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A very old problem which i saw somewhere and dont think we have discussed it here before... Given the drawing of a parabola, try to find the focus. Nothing is given, no grids nothing. Just the parabola on a blank paper.... ...
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in test no 514 Q5 The sum of the protons and neutrons in an atom is its a) atomic number b) atomic weight c) atomic energy d) none Your Answer: (d) Correct Answer: (b) Score: -1 Explaination : it is atomic wt. is it right???? ...
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2 concentric thin meatallic shells having radi R and 2R carry net charges Q and 2Q resp. Draw the charge distribution. *Image* ...
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Radium disintegrates at an average rate of 2.24*10-3 alpha particles per minute. Each alpha particle takes up 2 electrons from the air and become a neutral He atom. After 420 days,He gas collected was 0.5 ml,measured at 27°C ...
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Vm = man's velocity (w.r.t. stationary frame of reference viz. ground) Vw = river's velocity (w.r.t. stationary frame of reference viz. ground) Vmw = man's velocity w.r.t. the river. Given, |Vmw| = |Vw| = v width of the river ...
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is chemical/instrumentation/civil at jadavpore better than ee/ece/me at NIT Durgapur ? which is the best one? ...
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1 . Solve - x 3 - 3 x = x + 2 ...