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wat will d pdt of C6H5CH=CHCHO reactd wid LiAlH4 and NaBH4 xplain ur answr wid reason. ...
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Paragraph Four letter words are formed by using the letters of the word INEFFECTIVE Q1. The number of such words in which all the four letters are different is _____ Q2. The number of such four lettered words in which neither ...
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Rapid breathing causes CO2 in blood to increase..pH of blood will ___?? Fiitjee ans is NO CHANGE.. but i remember my sir while teaching mentioned,,pH increases and thus v feel dizzy..(any1 wants the reason) is Fiitjee ans wro ...
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Match each of the compound given in column I with the correct rate of bromination given in column II. *Image* ...
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convert calcium carbide to ethane nitrile in 3 stpes ...
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I AM A DROPPER AND HAVE DECIDED TO DO SELF STUDY. I WILL BE TAKING FIITJEE AITS. I AM USING THE FOLLOWING MATERIALS: PHYSICS: HCV+ LOCUS MATERIAL+BANSAL MATERIAL CHEMISTRY: BT MATERIAL+BANSAL MATERIAL MATHS:TMH+BANSLA MATERIA ...
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HAPPY INDEPENDENCE DAY TO ALL TIITANS AND IITANS ON THE FORUM . ENJOY STUDYING. CHEERS ...
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A tube of insufficient length is immersed in water (ST=0.07 N/m) with 1 cm of it projecting vertically upards outside water.What is the radius of meniscus???Radius of tube = 1mm ...
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lim n->∞ (an + bn)1/n also 0<a<b ...
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intermediate formed on reaction of phenol with CHCl3 in aq. NaOH ? ...
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happy birthday to bipin bhaiyan (bipin k dubey). ...
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Ques1) Let g(x) = {log(1+x)} -1 - x-1 , where x>0, then (a) 1<g(X)<2 (b) -1<g(x) <0 (c) 0<g(X)<1 (d) none of these Ques2) Show that the interval in which x3 increses more rapidly than 6x2+15x+5 is (5,infi ...
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The total number of different kind of buffers obtained during the titration of H3PO3 with NaOH is __ ?? having a doubt b/w 2 n 1. ...
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Zn salt is mixed with (NH4)2S of molarity 0.021 M.The amount of Zn2+ remains unprecipitated in 12mL of. this solution is --(Given KSP of ZnS=4.51 x 10-24) A. 1.687 x 10-22 g B. 1.767 x 10-20 g C. 2.01 x 10-23 g D. none of the ...
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It is found that 0.1 M solution of three Na salts NaX,NaY,NaZ have pHs 7.0,9 and 11 respectively. Which of the following statement is/are correct ? A. The solution which has pH 7,the conjugate and HX of X- ,must be strong. B. ...
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could anyone pls tell me why is pressure a scalar quantity while it is given as P = F/A where F force is a vector quantity and A area is a scalar quantity. ...
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If f: R →[Π/6, Π/2), f(x) = sin-1 (x2-a)/(x2+a) is a onto funtion, then set of values of 'a' is: a. {-1/2} b. [-1/2. -1) c. [1/2. -1) d. {1/2} ...
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http://yfrog.com/5fabcmjyj Show the equation for AB to be minimum. Please use algebra. The answer is b^1/3x +a^1/3y = a^1/3b^1/3 ( a^2/3 +b^2/3) Please show also. ...
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If pKb for fluoride ion at 25oC is 10.83,the ionisation constant of hydrofluoric acid in water at this temperature would be A. 1.74 X 10-5 B. 3.52 X 10-3 C. 6.75 X 10-4 D. 5.38 X 10-2 ...
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*Image* Ques) What are the size and direction (up or down) of current i where all resistance are 4 ohm and all batteries are ideal and have an e.m.f of 10V? ...
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WHICH IS THE BEST TEST SERIES FOR IITJEE ...
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Here is a problem that i got stuck onto.Pls help me out. 1) A non-conducting sheet of large surface area and thickness 'd' contains uniform charge distribution of density 'Ï'.find the electric field at a point 'P'inside the ...
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Prove that if coefficients of the quadratic equation ax^2 + bx + c = 0 are odd integers, then the roots of the equation cannot be rational numbers. ...
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*Image* A block M with smooth fixed pulleys B and D is on a smooth horizontal surface. A block m is placed on the smooth inclined face of M is connected to one end of an extensible string passing over the pulleysB and D and t ...
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consider a square with vertices with at (1,1),(-1,1),(-1,-1),(1,-1).let S be the region consisting of all points inside the square which are nearer to the origin than to any edge .sketch the region S and find its area ...