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Position of nuclei must be the same in all structures, otherwise they would be isomers with real existence. Total number of electrons and thus total charge must be constant. When separating charge (giving rise to ions), usual ...
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consider an evacuated chamber placed on a frictionless surface.A pinhole is made on one side of the chamber as in figure.wat will happen to the block after the pinhole is made *Image* ...
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SEMI – MICRO QUALITATIVE ANALYSIS OF SIMPLE INORGANIC SALT _______________________________________________________________ CATIONS: Pb 2+ ,Hg 2+ ,Cu 2+ ,Cd 2+ , Ag + , Fe 2+ , Fe 3+ , Al 3+ , Zn 2+ , Mn 2+ , Co 2+ , Sr 2+ , ...
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*Image* Tautomers are organic compounds that are interconvertible by a chemical reaction called tautomerization. As most commonly encountered, this reaction results in the formal migration of a hydrogen atom or proton, accomp ...
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It takes 15 trees to produce the amount of paper that we use in one exam. Join us in promoting the noble cause of saving trees SAY NO TO EXAMS ...
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the set of values of @ if origin lies in the bisector of acute angle between the lines @x+2y-3=0 and x+y+7=0 ...
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Evaluate the limit. lim(x→0) (1-cos2x)/sinx ...
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To what extent must a given solution containing 40mg AgNO3 per ml be diluted to yield a solution containing 16 mg AgNO3 per ml? ...
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I have made an investigatory project on study of adulterants on food stuffs. I wanted to know what all possible questions can the examiner ask on this project. ...
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A static charge distribution produces a radial electrid field E = ae-br/ r2 where a nad b are constants. total charge responsible for this field is ? A) 0 B) 4Πε0ar C) 4Πε0br D) 4Πε0ae-br I think it should be D . it is ...
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NEGATIVE ADSORPTION? WHICH 1 OF THE FOLLOWING IS A CASE OF NEGATIVE ADSORPTION? 1.ACETIC ACID SOLUTION IN CONTACT WITH ANIMAL CHARCOAL 2.DIL.KCl SOLUTION IN CONTACT WITH BLOOD CHARCOAL 3.CONC.KCl SOLUTION IN CONTACT WITH BLOO ...
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Complete the reaction................ Na2S205--------->_______________ a) Na2O2+SO2-O2 b) Na2SO4+Na2S5 c) Na2O2+SO2+O2 d) Na2O2+SO2 balance d equation urselves......... ...
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The halogen derivatives of aliphatic and aromatic hydrocarbons are called Haloalkanes and Haloarenes, respectively. Haloalkanes are commonly known as Alkyl halides and Haloarenes as Aryl Halides. There are two types of isomer ...
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draw the graph of x{x}=y{y} ...
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Square a 2 Digit Number, for this example 37: Look for the nearest 10 boundary In this case up 3 from 37 to 40. Since you went UP 3 to 40 go DOWN 3 from 37 to 34. Now mentally multiply 34x40 The way I do it is 34x10=340; Doub ...
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Atomic radii decreases, bond dissociation enthalpy becomes more negative along period. Atomic radii increases, bond dissociation enthalpy becomes less negative down the group. Anomalous property of N, O and F is due to small ...
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Lucas reagent---------------Hcl+ZnCl2(anhdrous)-----------distiguishes alcohol types. Hinsberg reagent-----------benzenesulphonyl chloride-------separation of amines. Nesslers reagent------------K2HgI4--------------------- de ...
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predicting the products::SUBSTITUTION VERSUS ELIMINATION. *Image* ...
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There are 6 points in a plane such that no 3 are collinear. Each point is joined to another by a coloured line which is either blue or red. Find the minimum no. of monochromatic triangles. ...
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Green vitiriol-----------------FeSO4.7H2O Laughing gas---------------N2O Oxone--------------------Na2O2 Phosgene--------------COCl2 Epsom salt-----------MgSO4.7H2O Freon--------------------CCl2F2 Formalin---------------HCHO(a ...
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the length of the day from today when the sun is directly overhead till tomorrow again when the sun is directly overhead can be determined by revolution of earth around the sun Please explain how is it correct ...
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Assertion: CO is a strong ligand but weak Lewis base Reason: CO does not form salt with BF3 ...
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could anyone please tell me which among the following classes of kota is best? RAO IIT ACADEMY ,RESONANCE ACADEMY, INSIGHT ACADEMY. all these three classes are now in Mumabai and so I wanted to know in which classes should i ...
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f(x)=(x-p)8(x-q)16 p not equals to q then how many real roots possible for f(x)? and please explain wat is the root repeated and how many times it repeated. please give me ur explanation. ...
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Dhoni Rocks with his 9 consecutive wins and win by his first T-20 in Srilanka............. Guyzz Post ur Opinions Abt DHONI DAMAKA ...
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Let f (x) = (x2 -1)k where k belongs to N. The number of distinct real roots of equation f n (x) = 0 are 'm' (where f n (x) denotes the nth derivative of f (x)). If 'm' equals to 10 for exactly one value of 'n' , then k equal ...
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Find angular frequency of motion of block of mass m if it is displaced slightly along horz.Neglect inertia effect of rod .Spring constants are k1 and k2.Neglect friction *Image* ...
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guys doubt. Q.68 Nremaining = N0 e-λt no ???? you've gievn Nremaining = N0 ( 1 - e-λt) Q.69 e- goes from collector to base no ? and NPN mein well . N region se P region electron jayega na ? and one Q . Mughe pata nahin , do ...