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Q1 A sample of AgCl treated with 5mL 1.5M Na2CO3 .The remaining sln cotained 0.0026 gm of Cl- per litree.Calculate Solubity product of AgCl. Ksp=8.2*10-12 Q2 how many moles of sodium propionate should be added to 1 L of an aq ...

f(x)=x2-4x g(x)=min f(t) ; x≤t≤x+1 ; 0≤x<4 i know this type ahs been discussed before...but i just need graph to check myself....no calculations....[1] ...

Is the function F(x) = x^3+C ; where C belongs to positive real numbers including 0 ; always strictly increasing at (0,0) ?? please explain !! ...

(Not a Doubt) [4] Find the no. of ways in which 5-A(s) & 6-B(s) can be arrranged in a row which reads the same Backwards. ...

limn→∞sin2(π (n!)2-n! ) ...

which would you expect to have larger(more negative) value of hydration energy : K+ or Ba2+ ? think it's K+ due to smaller size of K+,but answer given is Ba2+.Please verify. ...

STATEMENT 1: A cylinder fitted with a movable piston contains a certain amount of liquid in equilibrium with its vapour. The temperature of the system is kept constant. If the volume of the vapour is decreased by moving the p ...

According to transition state theory, rate constant (K) will depend on 1. Temperature 2. Threshold energy 3. Entropy change from reactant to transition state 4. Collision frequency ...

A particle is observed from two frames s1 nd s2. The frame s2 moves wid respect to s1 wid an acceleration a .Let F1 nd F2 be the pseudo forces on the particle when seen from s1 nd s2 resp..which of the following r not possibl ...

Q1 \int_{a}^{b}\frac{e^{x/a}-e^{b/x}}{x}dx Q2 \int_{0}^{1}\frac{lnx.ln(1-x)}{(1+x)^2}dx ...

*Image* Both A (suspended by a fixed rod) & B are of seme dimensions & same material If both are heated to the same temperature (A) A requires more heat (B) B requires more heat (C) Both require same heat (D) Can't say from t ...

The value of the definite integral I = ∫ [ 0 to Π][ x (1+l cos x l ) ] dx = ? (A) 2 2 Π(B) 2 Π(C) 2 Π(D) 4 Π...

Can someone please post the key to the Match Matix question (Thermodynamics) that was there in the chemistry in paper 1 Thanks ...

The earth's gravity provides the centripetal force on a orbiting satellite to keep it moving in circle at constant speed . Which statements best explains why the speed of the satellite does not change even though there is a n ...

1.B.P of H2O(l) increases when a.pressure is increased b.pressure is decreased c.when studied at mountain 2.consider the endothermic reaction; Fe3+ + cl- → Fecl2+ Eq. may be disturbed by : a.addition of Fe(NO3)3 b.addition ...

At a given instant there are 25% undecayed radioactive nuclei in a sample. After 10 seconds the number of undecayed nuclei redu ces to 12.5%. Calculate: (i) mean life of the nuclei (ii) the time in which the number of undecay ...

Great question --- a must try , In how many parts an integer N >= 5 should be dissected so that the product of the parts is maximized ? Hint …….----- After getting the answer , you will immediately realize why the cond ...

Great question , specially Nishant sir very much liked it , I would ask him not to give the answer , unless and until everyone tries :) Find the total number of integers p , q , r such that the number , 2 p + 3 q + 5 r is a m ...

A uniform rod of mass m and length l rotates in a horizontal plane with an angular velocity ω about a vertical axis passing through one end . The tension in the rod at a distance x from the axis is ------------------. ans : ...

If set of values of 'a' for which f(x) = ax2 - (3+2a)x + 6 , a≠0 is positive for exactly 3 distinct negative integral values of x is (c,d] then the value of (c2 + 16 d2) is equal to ----------?? ...

not a doubt if a digit is removed frrom the left of a natural number n, the resultant is n/57 find the sum of digits of n ...

∫e^x(1+sinx)/(1+cosx) ...

MULTIPLE ANS QS 1) Lt x--->2 [(f(x) -9) / (x-2)] = 3 Then Ltx-->2f(x) is ? (A) 2 (b)5 (C) 9 (D)12 ...

Think its a A . Dasgupta question --- anyhow a good one --- there are two methods actually -- lets see Prove that the eqn . a0 x5 + a1 x4 + a2 x3 + a3 x2 + a4 x + a5 = 0 cannot have all real roots if 2 a12 - 5 a2 < 0. ...

f(x) = tan-1 [(x2 + 1) / (x2 + √3)] 1) Range contains NO natural no. 2) Range contains atleast one integer TRUE/FALSE ...

Predict the major product of the given reaction :- *Image* ...

*Image* find the order of dehydration...with reason... ...

If the radius of K+ & F- are 130 pm & 135 pm respectively, the distance between K+ & F- in KF is ...

*Image* On what basis are the nucleophilic strengths being decided? Which oxygen is more nucleophilic - A or B ? ...

*Image* and ya diatance b/w point A and infinite length wire is L ...