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Match the column Column 1 [A] *Image* (g) → *Image* (g) [B] I2(s) → I2(aq) [C] N2O4(g) → 2NO2(g) [D] AgI(s) → Ag+(aq) + I-(aq) Column 2 [P] *Image* [Q] *Image* [R] *Image* [S] *Image* Note: "→" represents an reversi ...
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can anyonepls tell me what is the avg cutoff for nsep so that part b si corrected and what is the avg marks needed to score to qualify ...
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integrate ∫sinxcox. complete solution ...
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*Image* Can this give positive test with 1) NaHCO3 & 2) NaNO2 / H c l , β -napthol / OH- ONE OR MORE THAN ONE OPTION MAY BE CORRECT ...
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if x2/2 + y2/3 + z2/6 =12 find the greatest possible value of ( x/2 + y/3 + z/6 )2 jus give the hint only [1] ...
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thin infinite sheet of width w contains uniform charge distribution \sigma find out the electric field at the ponit which is on the symmetry plane of the plane of sheet at a perpendicular distance d from it ...
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A metal X is prepared by electrolysis of fusd chloride.It reacts with hydrogen to form a colorless solid from which hydrogen is released on treatment with water. a)Al b)Ca c)Cu d)Zn ...
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Q1 BN can be obtained by reaction of boron with a)NH3 b)N2 c)KCn d)KNO3 Q2 WHich of the following doesnt give N2 on heating a)NH4Cl b)(NH4)2Cr2O7 c)NaN3 d)NaNH2 I ma sure abt b) but what abt other options ? Q3 Which of the fo ...
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in periodic table,to find out the valency of "substance hydride",they have done,in which substance the valency comes to "5",they are deducting the number from "8" and the valency becomes "3". my question is "is this rule can ...
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a conducting wire frame is paced in a magnetic fied ,which is directed into the paper.the magnetic field is increasing at a contant rate.the direction of induced currents in the wires AB and CD are *Image* a) A to B and C to ...
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as we know static friction does work but i hv some doubts which i hope will be resolved 1) is the work done by friction in pure rolling 0 as the pnt of contact has no relative velocity 2) the work done by staric friction has ...
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*Image* u can see that there is a cel of 12v and 4 capacitors in series after the first 3 capcitors the system is earthed.. find the pntential at a and pnt c a is the before the 1st capactor and c is the pnt after the last ca ...
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You are given the reaction NH2 + 3Cl2 → NCl2 + 3HCl Vol of NH3 required for reacting with a litre of Cl2 will be (a) 9 litres (b) 6 litres (c) 13 litres (d) None ...
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A particle is projected vertically with velocity v0.Wind is blowing and providing constant horizontal accelaration a0.If the particle strikes the wall perpendicularly,find the distance between the wall and the point of projec ...
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What is the number of relations from A to B where A has m elements,B has n elements and x elements are common between A and B. ...
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Let n be an integer such that 1 + 1/2 + 1/3 + 1/4 + ....+ 1/31 = n/31! Compute the remainder when n is divided by 17. OPTIONS 1) 16 2) 7 3) 8 4) 9 5) None of these ...
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a particle is projected with a velocity 2√gh so tht it just clears two walls of equal height h which r at a distance 2h frm each other. show that the time of passing b/w the walls is 2√h/g..... ...
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*Image* 1. The figure shows a square loop of edge 'a' of a uniform wire. A current enter the loops a point 'a' and leaves at point 'c'. what will be the magnetic field at the point 'P' which on the perpendicular bisector of A ...
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in carnot cycle, one process is isothermal and the other is adiabatic. the isothermal process is meant so that heat doesn't flow irrevesible between the working substance and heat reserviour. then WHAT IS THE USE OF HAVING TH ...
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if a,b,c,d>0, x e R and (a2 + b2 +c 2)x2 -2(ab+bc+cd)x + b2+ c2 +d2 ≤0 then the value of the determinant [33 14 lna] [65 27 lnb] [97 40 lnc] ...
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if α=330°,then using the formula tanα=2tanα/2/1-tan2α/2 find the value of tanα/2 ? ...
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y=f(x) is a function on R->Q and continuous such that f(2)=3.then the function is even/odd/increasing/cant be said. ...
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if a,b,c \epsilon R satisfy 1/a + 1/b + 1/c = 1/a+b+c find the value of ( 1/a +1/b + 1/c)2007 - 2007/a2007 +b2007 +c2007 + 2006/(a+b+c)2007 ...
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Let A and B be two events such that B=A and p(A) = x and p(B) = y. Let the actual event be T. Let the event T be carried out n times. What is the probability that A occurs exactly p times (p<n)? ...
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if i have to evaluate : S=1.2 +2.3+3.4+..................+(n-1).n +n.1 then i have a ready made formula (with proof also) for evaluating 1.2 +2.3+3.4+..................+(n-1).n as (n+1)! /(r+1)(n-r)! putting r=2 we get (n+1)n ...
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\sqrt{x+3-4\sqrt{x-1}}+\sqrt{x+8-6\sqrt{x-1}} = 1 Hint: Observe before you jump to solve ;) Src: Mathematics and Problem Solving : Soifer ...
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NCERT chemistry: First law of thermodynamics: In general: ΔU=q+w ------------------(1) ΔU change in internal energy,q-heat transferd,w-work done by or on the system NCERTphysics: ΔQ=ΔU+ΔW --------------(2) ΔQ- heat supp ...