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*Image* *Image* ----HI ----> MORE THAN 4 MOLES OF HI WILL BE CONSUMED TRUE / FALSE ...

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1.a plot of gibbs energy vid extent of reaction has a)a minimum at equilibirium b) a max at equilibirium c) + slope at eq d) - slope at eq 2. if half life of a reactant decreases wen temp is changed from T1 to T2 a) it is exo ...

MATHS Q1. Area bounded by curve y=2x-x2 and line y=-x (just give answer) Q2. Through the vertex of the parabola y2=4x, chords OP and OQ are drawn at right angles to one another. The locus of the midpoint of PQ is (im getting ...

\sum_{r=0}^{9}{\left(-1 \right)^r\cos^{10}\frac{r\pi}{10}} any short solution using complex? ...

With the time left now fir jee 2010 ....i must do only ncert na for (11 & 12 ) ...for inorganic/?? to get atleast average score in inorganic? ...

Xenon is in sp3 hybridisation in 1. XeO4 2. XeF4 3. XeO3 4. XeO2 a) 2,4 b) 1,2 c) 1,2,3 d) 2 ...

Q1 K2Cr2O7 +H2SO4(hot)→ Q2 K2Cr2O7 +H2SO4(cold)→ Q3 K2Cr2O7 +H2SO4(room temperature)→ Q4 Hydrated FeCl3 + Stream of air(high tempearture)→ Q5 Ferric oxide +HCl → Q6 Na2CrO4 +C +heat → Q7Mixture of KCr2O7 and conc ...

Please dont ban me for such idiotic doubts [2] Q ] match the columns *Image* ...

A variable st. line is drawn thru the point A(10,-8) to intersect the curve x^2-xy+y^2+4x-5y-2=0 at the points B and C. A point P is on the chord BC such that AB, AP,AC are in HP., then P moves on a) a line b) a circle C) a p ...

a ray incident on a plane mirror. for what angle of incident the ray wll undergo deviation of 4pi/5 radian ...

a current carrying wire is curved.hence electrons flowing wold recieve an acceleration.as the electrons are acecelarating would not they radiate energy. ...

f(x)=ax^2+bx+c Given |f(x)| \le 1 \forall x \epsilon [0,1] . Find maximum value of \left|a \right|+|b|+|c| . ...

Write down the half reactions and cell reaction for Daniel cell. Zn (S)| Zn+2 (aq) (IM) || Cu+2 (aq) (IM) |Cu(S) ...

what is vacua junction? ...

For ideal gas PV=nRT, Z = PV/nRT for real gas (P + na/v2 )(V - nb)=nRT Ideal gas can't be liquified by applying any pressure and temperature. Q) For one mole of ideal gas ( dP/dT )v( dV/dT )p( dV/dP )T = ? A) - R2/P2 B)- R/P2 ...

Find all real values of the parameter a for which the equation (a-1)z^{4}-4z^{2} +a+2=0 has only pure imaginary roots. ...

In a closed circuit, the current I ( in amp.) at an instant of time t( in secs) is given by I = 4 - 0.08t. The no. of electrons flowing in 50 s trough the cross section of the conductor is A) 1.25 x 1019 B) 6.25 x 1020 C) 5.2 ...

If x, y \varepsilon ( 0, \pi ) and (sin 3 x + sin 4 y) + 3 cosec x + 4 cosec y - 9 =0, then no. of solutions of the equation sin x sin y = 1/2 in ( 0, \pi ) is A) 0 B) 1 C) 2 D) infinite ...

A particle 'A' of amss 2m collides elastically with another particle of mass 3m at rest, and as a result 'A' is turned by 90 degree. The fraction of the kinetic energy that 'A' looses as a result of the collision is a) zero b ...

Over a certain region of space , the electric potential is V= 5x-3x^2y+2yz^2 the amgnitude of electric field at origin is (in N/C) a) 3 b) 5 c) 2 d) 18 ...

A metal ring of mass m and radius R is placed on a smooth horizontal table and is set rotating about its own axis in such a way that each part of the ring moves with a speed v. Find the tension in the ring. ...

k= \lim_{n\to\infty}\frac{(2n+1)\int_{0}^{1}x^{n-1}\sin\left(\frac{\pi}{2}x\right)dx}{(n+1)^{2}\int_{0}^{1}x^{n-1}\cos\left(\frac{\pi}{2}x\right)dx}\ \ (n=1,\ 2,\ \cdots). find k ...

A new experimental section has been added on targetiit for downloading ebooks etc visit this link for [url=http://material.targetiit.com]ebooks for iit jee[/url] ...

If x+\frac{1}{x}=5 then the numerical value of x^{7}+\frac{1}{x^{7}} is, A) 57965 B) Is a multiple of 7 C) 57695 D) Is a multiple of 5 [ multiple options correct] ...

Three 1L bulbs shown.Bulb A contains a mixture of H2O,CO2,N2 at 25C (All in gaseous state) and total presure 564 mm of Hg.Bulb B i sempty and at temp -70 C.Bulb C is also empty and at temp of -190 C. CO2 sublimes at -78 C and ...

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A uniform ladder of mass 10 kg leans against a smooth vertical wall making an angle of 53° with it. The other end rests on a rough horizontal floor. Find the normal force and the frictional force that the floor exerts on the ...

Number of solutions of the equation \mid x-1\mid + \mid x\mid + \mid x+1\mid = \mid sinx\mid + \mid cosx\mid is, A) 1 B) 0 C) 2 D) 4 ...

1) An oxy-acid of phosphorous is prepared by hydrolysis and oxidation of red P by NaOCl or yellow P by H2 O and air . What is the basicity of the oxyacid ? Ans 4 ...