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The solublity product constant for Co(OH)3 is 1.6*10-44.What is the solublity of Co(OH)3 in a soluiton buffered at pH=8 ...
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Q1 ...Does methylamine (CH3CH2) give alcohol on reaction with HNO2 ? if not , why ? Q2... Can we prepare secondary and tertiary alcohols by the action of nitrous acid on primary amines. if not , why ? ...
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*Image* find the product of the reaction ...
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Can DIBAH convert acid chloride into aldehyde or ketone? In ROSENMUND'S reaction whether CARBON-CARBON double and triple bonds are also reduced ...
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how to convert propane1,3-dioic acid into cyclo popanoic acid. ...
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no of ways in wich d first 3 moves of chess can b played ? ...
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Find the no of possible sudokus that can be formed with no's from(1 to 9) ...
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a cylinder of mass 'm' and radius 'r' is rolling widout slipping on a horizontal surface wid angular velocity ω0. the velocity of center of mass of cylinder is ω0r. the cylinder comes across a step of height ...
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d2y/dx2=x ln(dy/dx) what is the degree of the eqn.?? ...
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x+2|y|=3y where y=f(x),then f(x) is.... A)continuous everywhere B)diff everywhere C)discontinuous at x=0 D)none ...
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an alkyl halide of molecular formula C_5H_11Cl on refluxing with EtOH gives 2 cmpds: A & B. A decolorises Br water. B does not . A on ozonolysis gives acetone & acetaldehyde. B on reaction with Na gives Hydrogen. It gives whi ...
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the qn is ondefinite integral as the limit ofa sum/ integration using 1st principle lim n->∞{1/n + n2/(n+1)3 +n2/(n+2)3+.............+1/8n ny1 relpy as fast as possible ...
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f(x)=[x]+[-x] so for integral values of x, f(x)=0 then f'(x)=0.....so hw come it cannot be diff at integral pts.... ...
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f(x)= (sin2x + sinx -1)/(sin2x -sinx + 2) ...
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How 2 find COM of isoceles right angled triangle using integration??pleez reply ...
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statement1: let f:[0,4]-> R be a cont fn and diff in (0,4) then there exist some 'a' and 'b' in (0,4) where f2(4)-f2(0)=8f(a)f'(b). statement2: LMVT ...
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f'(2+)=0 and f'(2-)=1 then a)fn is discontinuous at x=2 b)fn is continuous at x=2 c)lim f(x) ≠lim f(x) x→2+ x→2- d)nothing can be said ...
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Solve 4{x} = x+ [x] [] is gint & {} is fractional part ...
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The figure shows one end of a string pulled down by a constant velocitty V.Assuming the pulleys to be massless and smooth,prove that the tension in string AB is mg(1+b2v2/4gx3) *Image* ...
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An ammonia ammonium chloride buffer has a pH value of 9 with[NH3]-0.25.By how much will the pH will change if 75 mL 0.1M KOH be added to 200 mL buffer solution.Kb=2*10-5 ...
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Please xplain the mechanism of interference through thin films. ...
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The number of ways in which we can select four numbers from 1 to 30 so as to exclude every selection of four consecutive numbers is???? ...
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The NCS ion is a good colorimetric reagent for Fe(II).HOw?? ...
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How many triangles can be constructed whose largest side is (a) 2p (b) 2p -1 also find the number if 2p =10 .i.ie the lenght of largest side is 10 . i.e. a≤b≤c =10 . ...
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In a triangle . ABC , D is a point on BC such that AD is the internal bisector of A .If B = 2C . Prove that A=72o. ...
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1.) ∫xtanxsecxdx/(tanx-x)2 2.) ∫2dx/((x-5)+(x-7))√((x-5)(x-7)) = f(g(x)) +c, then a) f(x)=sin^-1x , g(x) = √((x-5)(x-7)) b) f(x)=sin^-1x , g(x) = ((x-5)(x-7)) c) f(x)=tan^-1x , g(x) = √(( ...
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sin10x+cos10x=(29/16)cos4(2x) Solve for x ...