Recently Active Questions

10 g sample of zinc was dissolved in 200 ml of 0.1 N KMnO4 solution acidified with H2SO4.The KMnO4 solution was totally discharged.It was found that a gas was produced which when allowed to react with the requisite amount of ...

Using the following no.s make a total of 24 by using + , - , / , * and parantheses only . 8 8 3 3 ...

*Image* Please post the solution as well... ...

0.395 g of a volatile liquid gives 27.3 cc vapour collected over water at 25oC and 720 mm pressure. Aqueous Tension at 25oC is 23.1 mm. Calculate the molecular weight of the liquid. ...

\hspace{-16}\bf{(1)\;\;\int \left(\frac{x^2-1}{x^2+1}\right).\frac{1}{\sqrt{x^4+1}}dx}$\\\\\\ $\bf{(2)\;\;\int \left(\frac{x^2+1}{x^2-1}\right).\frac{1}{\sqrt{x^4+1}}dx}$\\\\\\ $\bf{(3)\;\;\int \frac{\sqrt{x^4+1}}{x^4-1}dx}$\ ...

*Image* ...

(3+2 6 )x2-3 + (5+2 6 )x2-3=10 plzzzzz........help to find the value of x..... plzzz.. as fast as possible.... ...

lim:t→x ( sinx-sint/x-t ) = f (sinx) Find range of f(x) (A) (-∞,1] (B) [-1,0] (C) [0,1] (D) [-1,∞) ...

*Image* it is an infinite grid.. each segmnt of each resitance is R. all are equal squares.. to find resistance between A nd B ...

1.SN1,SN2,E1,E2,E1cb In how many of these cases is entropy change positive?(Give reason for ur answer) 2.A catalyst decreases the energy of activation of the reaction A→B,del.H=37.012Kcal,by 2%.At 27°C 4*10^-8 % of product ...

∫ ln(x-1)/x ? ...

this thread is only for integration sums............ AND YA FORGOT TO TELL ALL TARGETIT USERS, I HAVE COPIED ALL THESE SUMS. SO KISIKO GAALI DENA HAIN YA KUCH KEHNA HAIN, PLEASE VISIT http://targetiit.com/profile711.html AND ...

If tan^2α=1+2tan^2β,prove that cos2β=1+2cos2α ...

In my class X physics book it is written that the expression W=QV "is analogous to the amount of work needed in lifting a weight mg from the earth surface to a vertical height h which is given as W=mg x h = mgh. Obviously on ...

If S = 1 - 22 + 32 - 42 upto n terms and n is even, then find S. ...

*Image* *Image* Please So the workng ...

*Image* ...

Is there a choice between Biology and Mathematics in the IISER entrance test? ...

*Image* ...

*Image* ...

*Image* ...

While fever why only the sole stays cool? ...

Why are ketones more polar than aldehydes? Shouldn't it be the other way round as ketones have 2 e donating species which reduce their polarity to a larger extent? ...

i know about oxidation number but how can i define it..??????....pllzzz help... ...

Why does the skin of a person gets bluish during vasoconstriction? ...

Find equivalent resistance between A & B. *Image* ...

*Image* ...

Find remainder when 2013C101 is divided by 101 ...

*Image* ...

*Image* ...