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http://www.goiit.com/posts/list/organic-chemistry-very-imp-pls-reply-989840.htm accha laga., so posted ...

i hv two or three doubts in error analysis first when we are calculating zero errors for vernier calipers we find that the positive and negaticve zero errors are different mainly i cant understand this that wjen nothing is pu ...

true or false.....with explaination work done by kinetic friction on a body is never 0(in ground frame) ...

can ny1 plz tel me when neo & iso is used in nomenclature??? & wats quaternary carbon? :0 ...

*Image* pls solve fast the logic whci i was getting was that the magnetic field will be the diffrence between the rod between pnt A and the perpendicular meeting pnt and the b to the perpendicular meeting pn ...

here "they" means "the book" please give me the answer soon of the last given question from "periodic table". ...

Prove or disprove that sin A/A + sin B/B + sin C/C ≥ 9 (4 - 3 - 3 .25 )/2 Πwhere A,B,C are the angles of a triangle in radian. ...

if a>b>0 n→N prove that an -bn>=n(a-b)(ab)(n-1) /2 ...

Ques) Among the following, the compound which does not forms a white precipitate on treatment with NaI in acetone is :- (a) CH3 CH2 I (b) CH3 CH2 C l (c) Ph CH2 C l (d) CH2 = CH - CH2 C l C l dentoes chlorine ...

hey any one knows free online video tutorails fot iit??? ...

locus of center of circle which touches (x+2)^2 + y^2 =4 nd (x-1)^2 + y^2=1 externally. let A is d vertex of its locus. An isosceles triangle is constructed such dat its vertex is at A nd base touches d circle. what is d area ...

A car will hold 2 in the front seat and 1 in the rear seat.If among 6 persons 2 can drive,then what is the number of ways in which the car can be filled? ...

A positive point charge Q is kept (as shown in the figure) inside a neutral conducting shell whose centre is at C. An external uniform electric field E is applied. Then which of the followings is/are incorrect: *Image* force ...

If x = {1,2,3,..............., 100} and let S = {(a,b,c) | a,b,c belongs to a < b and a <c }, then the number of elements in S are : (a) 328250 (b) 328450 (c)328350 (d) none ...

if the circle C1 touches x-axis and the line y = x tanθ (tan θ >0) in frist quadrant and circle C2 touches the line y = x tan θ, y - axis and circle C1 in such a way that ratio of radius of C1 and C2 is 2:1 then the val ...

An unknown alcohol gives blue ppt. in Victor Meyer's test.The no. of alpha H atoms in alcohol are ___ ? They gave the ans as 1,,saying R2CH-OH has one alpha H .. they have taken the underlined carbon to be alpha carbon,,but t ...

let x=y, so, x2=xy, so, x2-y2=xy-y2 so, (x+y)(x-y)=y(x-y) so, x+y=y putting x=1, 1+1=1 or, 2=1.......which cannot be possible......so find the fallacy...... ...

find the equivalent time constant of the circuit obviusly there is one long method the kirchoffs law method but is there a simpler method and one more question is that find the current in the circuit after steady state this p ...

hey dudes can anyone help me with a shms in different direction like in r=(1+2coswt)i+(3sin^{}2 wt)+(3t)k the qiestion asked was what is the shm and what is the time period and so on........... x=Asin^{}2 wt+Bcos^{}2 wt +Csin ...

equal vol of 2 soln of pH=2 and pH=5 are mixed/Find pH of resulting soln.. ...

*Image* a rod of length 2m moves in horizontal x-y plane. at any instant end 'a' of the rod is at the origin and has velocity V1 (see fig.). the other end B at the same instant is moving with velocity V2 (see fig.). t ...

*Image* ...

1. Given the following equations: 4 NH3 (g) + 5 O2 (g) → 4 NO (g) + 6 H2O (l) ΔH° = -1170 kJ 4 NH3 (g) + 3 O2 (g) → 2 N2 (g) + 6 H2O (l) ΔH° = -1530 kJ Using these two equations, determine the heat of formation, ΔHf ...

do SNngp is applied fo rgroups on adjacent n carbons only? ...

plzz help rohit ...

Sir can you please give me your phone number to contact you you help solve our doubts easily my net is low and cant access it everytime thanks if u can ...

ques. There are 5 boxes of 5 different colors. Also there are 5 balls of colors same as those of the boxes. In how many ways we can place 5 balls in 5 boxes such that a) all balls are placed in the boxes of colors not same as ...

Hi T IIT IIANS !!! ...

*Image* smaller ball mass = m ; larger mass = 3m ; spring constant =k; smaller mass pressed down by a distance δ. Then comes my doubt : which one is right : 1) N (normal reacn.) = mg + 3mg + kδ 2) N = mg + 3mg - kδ My expl ...

*Image* ...