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(1)CH≡CH react with Cu2cl2 and NH4Cl to form A. A reacts with 1eq H2 and give B. Find A and B. (2)Mendelic amide reacts with Br2/KOH to give?? (3)What is the co-ordination number of C in solid (LiCH3)4? please give answer w ...
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anyone recieved ISAT2010 and AIEEE2010 admit cards ?????? ...
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*Image* TRUE / FALSE ????? ...
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Zinc copper couple cna be used as a reducing agent is obtained by a)mixing zinc dust with copper gauze b)zinc coated with copper c)copper coated with zinc d)zinc and copper wires welded together Plz tell me the concept behind ...
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Since no one reeds articles posted here.....so i thought its better to post in forum Venkatraman Ramakrishnan may have won a Nobel for Chemistry, but he was never good enough to crack the IIT-JEE. The scientist was perhaps on ...
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draw d graph of [y]=[x]... ...
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1)A:Negative work is done on water vapor in air molecules that ocndense on outside of glass of cold water R:Temperature of condensing molecules is getting decreased due to condensation 2)A:A flywheel is a disc shaped body of ...
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Hey can i get any stuff to prepare for d viva of my boards practical? I mean any stuff online??? ...
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posted in misc section..coz they are all mixed ques.. Explain these statements: 1)Radius of H+ ion is radius of nucleus and not radius of shell 2)The point r=0 is not considered as node 3) *Image* 4)If sinx= 5±1/5m-m2 and fo ...
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posted in misc section..coz they are all mixed ques.. Explain these statements: 1)Radius of H+ ion is radius of nucleus and not radius of shell 2)The point r=0 is not considered as node 3) *Image* 4)If sinx= 5±1/5m-m2 and fo ...
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Single Option Correct. 1) An aqueous sol.n of MCl2 containing excess KCN, when treated with H2S will precipitate MS only if "M" is- A) Ni B) Co C) Cu D) Cd 2)A mixture of 2 colourless substanceswas dissolved in water. When ga ...
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Let P(x)=x^5+ax^4+bx^3+cx^2+dx+e . If the graph of y = P(x) cuts the x-axis at five distinct points and P(0)=0, then which of the coefficients cannot be zero? ...
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Ques 1) *Image* Ques 2) Following synthesis is effective when CH3CO C l + R2 Cd → RCOCH3 + R Cd C l R is of the type :- (a) (CH3)2 CH - (b) (CH3)3C CH2- (c) (C6H5)2 CH- (d) All of these ...
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*Image* please explain the consequtive steps.... ...
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by mistake i filled my actual class 12 percentage in place of class 12 PCM aggregate in isat form...what to do now ???? ...
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a person is in a room whose ceeiling and two adjacent walls r mirrors.....how many images r formed ...
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a person is in a room whose ceeiling and two adjacent walls r mirrors.....how many images r formed ...
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U hav tied a weight W by a string as shown in d fig . Now u and ur frnd start pulling the string from both ends and try to straighten the string . What will be the tension in the string for wich the string completely becomes ...
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A bird sitting in a wire cage which is hanging from a spring balance.if bird starts flying inside the cage,reading of spring balance will remain unchanged/be less/more than earlier? ...
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A bird sitting in a wire cage which is hanging from a spring balance.if bird starts flying inside the cage,reading of spring balance will remain unchanged/be less/more than earlier? ...
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A rod of mass 2m and length 2l is bent at its midpoint making 90° angle find the moment of inertia of the system about an axis passing through the point of bent symmetrically and making minimum angle of 45° with the plane o ...
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*Image* all the spheres have equal mass.....and they undergo perfectly elastic collision amongst each other... they hav velocity whose magnitude is written over the arrows and the direction of their initial velocity is repres ...
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*Image* Extension to my question of 04-04-09.........find the velocity of the system after all possible perfectly inelastic collisions all the spheres have equal mass..... they have velocity whose magnitude is written over th ...
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A bird sitting in a wire cage which is hanging from a spring balance.if bird starts flying inside the cage,reading of spring balance will remain unchanged/be less/more than earlier? ...
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A bird sitting in a wire cage which is hanging from a spring balance.if bird starts flying inside the cage,reading of spring balance will remain unchanged/be less/more than earlier? ...
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More than 1 option maybe correct: Which of the foll is/are correct: A)magnesite is the ore of Mg B)ZnS and PbS can be separated in froth floatation by using NaCN as depressant. C)White bauxite is purified by Hall's process D) ...
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*Image* *Image* *Image* *Image* ...
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When a ray of light is passed through calcite crystal,it splits up into _____ refracted rays ...
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When a ray of light is passed through calcite crystal,it splits up into _____ refracted rays ...
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Anyone giving above exams ??? do we have to attach anything other than fee with form ?? ...
