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(chatquestion)...KMNO,/H Sodalime (P). Which of the following is compound(P)? (A) CH2 = CH2 (C) CH;CH = CHCH3 (Q)- CH, +Na,CO, Нeat (B) CH;CH2CH = CH2 (D) CH;CH2CH = CHCH2CH3 %3D %3D %3D
other
telegram-54541
asked
Feb 2, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Which of the following reaction does not form ethylene? (A) 1-CH,-CH, -I- HC = CH+H,- (B) Zn Ni снон сonc. H,SO, Hightemp (C) (D) Conc.H2SO4 КОН. Alcohol (с) C,H̟CI+ С.Н.С 5.
other
telegram-54533
asked
Feb 2, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...3. FeBr3 +Br, + HBr `Br The product yield of above reaction is maximum if 'X' is (A) CHO (C) CH3 (B) OH (D) OCH3
other
telegram-54524
asked
Feb 2, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...(b) (d) 200°C 162°C (c) A quantity of oxygen is compressed isothermally until its pressure is doubled. It is then allowed to expand adiabatically until its original volume is restored. The final pressure in terms of initial pressure is (y = 1.4): (a) (c) 100°C Q.84 1.2 P (b) 1 P (d) 0.5 P 0.76 P Q.85 if an ideal gas expands according to the law PV2= Constant, the temperature of the gas: remains the same (a) (c) decreases (d) may increase or decrease Q.86 A uniform pressure P is exerted on all sides of a solid cube at temperature PC. By what amount should the temperature of the cube be raised in order to bring is volume back to its original volume if the bulk modulus is B and volume coefficient is a? (b) increases Pa (b) (a) Ba (d) (c)
other
telegram-54519
asked
Feb 2, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...l'ind the differential equation of all non-vertical lines in a plane.
other
telegram-54517
asked
Feb 2, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...CARBONYL COMPOUNDS Arrange the following compounds in decreasing orders of rate of exchange of O" with H,O" ()caLCHO (Z)CH,COCH, (1) W>Z>X>Y (3) W>Y>Z>X (Y) CH,CHO (W) CF,CHO (2) W>X>Y>z (4) W>Z>Y>X Which of the following compound has the la equilibrium constant for the addition of water ? (1) CH,O –
other
telegram-54512
asked
Feb 2, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...mirror raphs n (m) le of (4) Both (1) and (2) 40 Diameter of aperture of a plano-convex lens is 8 cm and its thickness at center is 4 mm. If speed of light 9. x10 m/s, then focal 5 in the material of lens is 62 xio8 length of the lens will be ui (1) 30 cm (2) 20 cm (3) 10 cm (4) 15 cm 41. Light takes time (t,) to travel a distance 'a' in medium (1) and takes time (t) to travel a distance b b f2 atı
other
telegram-54503
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...DUT UOnnjos The set of values of x for which (x +x+1)* <1 is (a) (-00, -1) (c) (-00, 0) 6. in the expansion of The constant 1. (b) (-00, 1) (d) None of these term 15 ( is x- (b) 30C15 7. If f(x)= |(e +3) dt, then which of the following (a) (15C)2 (ω Σ('c,) is always true xE R? (a) flx- 3) - flx - 1) S 11 Let S be the set of 6-digit numbers a,a,a,a,aza{all (b) flx+ 1) - f(x- 1)< 11 (c) f(x+ 3)- flx - 5) 2 24 (d) f(x) + f(x + 1) < -21 (c) 2. 15C r=0 2. digits distinct) where a, > a, > a, > a,< az < ag. Then n(S) is equal to (a) 210 (d) 420 (b) 2100 (c) 4200 8. The equation of curve passing through (1, 1) in which the subtangent is always bisected at the origin is (a) y = x (c) x+ y 2 The angle of elevation of the top of the tower observed from each of the three points A, B, C on the ground, forming a triangle is the same angle c. If R is the circumradius of the triangle ABC, then the height of 3. (b) 2x - y = 1 (d) x + y = 2 Three friends whose ages form a G.P. divide a certain sum of money in proportion to their ages. they do that three years later, when the youngest is half the age of the oldest, then he will receive 105 more than he gets now, and the middle friend will get ? 15 more than now, then the age of the youngest friend is 9. the tower is If (b) R cosa (a) R sina (d) R tana (c) R cota The number of ordered pairs (x, y) satisfying the system of equations given by sinx + siny = sin(x + y) and x + lyl 1 is (a) 2 4. (a) 27 (b) 18 (c) 14 (d) 12 (b) 4 (d) None of these 10. The first two terms of an H.P. are (c) 6 12 The and The number of real solutions of the equation log-(x + 2) = 6 - x is (a) 0 5. value of the largest term of the H.P. is 23 (a) 72/73 (b) 6 (b) 1 (d) 3 (c) 2 (c) 1/6 (d) None of these
other
telegram-54481
asked
Feb 1, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...2n = 16 + AO (c) (d) The diagram refers to the chromosome complement of each *** of fruit fly shown in the diagran grasshopper 2n 44 + XY human (21. 00 00 3 2 By which number is an autosome labelled? (a) 1 (c) 3 chromosome complement of each *** of fruit fly shown in the diagram. (b) 2 (d) 4
other
telegram-3761
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...JAuIosomainecessive Study the pedigree chart of a certain family given below and select the correct conclusion which can be drawn for 19. the character. (a) The parents could not have had a normal daughter for this character (b) The trait under study could not be colour-blindness (c) The male parent is homozygous dominant (d) The female parent is heterozygous sele onimale is NOT beterogametic?
other
telegram-3756
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...6.31 ० cCm C५s 61,0 (m =65) 2स्त हि लिपन को अत एक. aien exhengon से ला ाता ६ aपाप्त िलयन के पूर्छ उयाहीनीकरण देत 28.5 ml o.j2 s m Na०H विलयन की आवश्यकता हेती है संकूल का संमावत सरंयजा सु् ब्या होणा ?? ११ Ui) [ G CH;O)q U,]U- 2 HzO
other
telegram-3754
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...16 VE-1) S tan dx 1
other
telegram-54444
asked
Feb 1, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...A point dipole p⃗ =−p0x^ is kept at the origin. The potential and electric field due to this dipole on the y-axis at a distance d are, respectively : (Take V = 0 at infinity)
other
telegram-54442
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...18% I 11:25 a.m. 4G 12798 of 12798 varuc or COCTICIent Ui CApansiOIT OF walct and Hom. 11. f Block A is hanging from a vertical spring and is 11. at rest. Block B strikes the block A with velocity v and sticks to it. Then the value of v for which the spring just attains natural length is :- 3k m JA m B 6mg (2) 60mg (1) 8mg* (4) 10mg (3)
other
telegram-54417
asked
Feb 1, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...Match the correct combination (regarding to ABO and Rh blood group system). Antigen Genotype Phenotype I^I", Rr I^I^, IT IPI", Rr 1°1°, Rr AB® 3 (1) A® Zero (2) 1. (3) (4)
other
telegram-54400
asked
Feb 1, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...a.)5x+5y-3=0 с. 5х-у-3-0 36. If the Ortho-centre and centroid of a b. x+5y-3=0 d. 5x+5y+3=0 triangleare (-3, 5) (3, 3) and respectively, then itscircum-centre is: Б) (1,5) d. (-1, 3) a. (2, 4) c. (6, 2) 37. The orthogonal projection of the point (2, -3) on the line x + y = 0 is:
other
telegram-54382
asked
Feb 1, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...18. The length of a magnet is large compared to its width and breadth. The time period of its oscillation in a vibration magnetometer is 2 s. The magnet is cut along its length into three equal parts and three parts are then placed on each other with their like poles together. The time period of this combination will be [AIEEE 2004] (b) 2/3 s (a) 2s (d) 2//3s (c) 2/3s
other
telegram-54366
asked
Feb 1, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...In an experiment individual homozygous for ab genes were crossed with wild type (++/++). The F, hybrid thus produced was test crossed and progenies produced in following ratio ++ 548, ab 340, +a 44, +b 68 calculate the distance between b and a genes:- (2) 22.4 m.u (1) 46 m.u (4) 11.2 m.u (3) 44 m.u
other
telegram-54341
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Question Number 3 31. A train travels with a speed of 20m/sec. Find the time taken to cover a bridge of 120m if the 35. length of the train is 80m. A. 4sec B. 20sec C. 10sec D. 6sec in the one's
other
telegram-54327
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...of the algebraic sum If the perpendicular distances of a variable line from the points (2, –3), (4, 5) and (3, 1) is zero, then the line always passes through the point b. (4,5) d.) (3, 1) · The line joining (1, 2) and (2, -2) and a. (2, –3) c. (9,3) the line joini
other
telegram-54316
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...(An) Pob (ne) cegleou)?
other
telegram-3749
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Two genes A and B present on same chromosome show 30% crossing over, then what will be the percentage of gamete (aB) for the plant having genotype AaBb in cis arrangement. (2) 70% (3) 20% (1) 40% (4) 15%
other
telegram-54295
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...8. (1) X9. Show that, the integral dx 1 + r5 can be reduced i tan-x dr x* + ax + 1 k1, k2, a, b, are constants u + ki dx + k2 x² + bx + 1 and c is a constant of integration. + c, where u is a fina log -2 9. (i)
other
telegram-54280
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Induce cutat why acceleration maguet is yaates than 6q9 while luwing thel loot ?
other
telegram-54257
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...In a population of 200 individuals, if PTC tasters (Autosomal dominant) are 150 then calculate the frequency of recessive alleles ? (3) 0.2 (4) 0.25 (1) 0.4 (2) 0.5
other
telegram-54255
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...In dihybrid cross one character follow incomplete dominance and another character follow codominance. Then find out phenotypic ratio is F, generation. (2) 1:2:2:4:1:2:1:2:1 (1) 9:3:3:1 (4) 27:9:9:9:3:3:3:1 (3) 1:2:1
other
telegram-54247
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...6. Sum of the series 12 + 22 + 32 +...10² is (a) 55 (c) 385 Seues (b) 325 (d) 425
other
telegram-54244
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...The particle executing SHM of amplitude 'a' has a a at t = 4 and a negative velocity. displacement %3D - Find the initial phase of particle at t = 0. 2л (2) 3 57 (4) (3) л 3.
other
telegram-54229
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...27.5.5 mg of nitrogen gas dissolves in 180 g of water at 273 K and one atm pressure due to nitrogen gas. The mole fraction of nitrogen in 180 g of water at 5 atm nitrogen pressure is approximately (a) 1x 106 (b) 1x 10-5 (d) 1x 104 (c) 1x10-3
other
telegram-54227
asked
Feb 1, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...154. As the codon, which is made by four N, bases similary protein is made up by how many amino acids? 71) 20 (4) 25 (2) 10 (3) 11 127
other
telegram-54222
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Page No. Date.: Total volatile X and VP 80lution 500mm 3 moles Hg 2 moles 400mm Ho e moles 3 moles find pix e p'y =
other
telegram-54211
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...** percemage of benzene. (d) The vapour will contain a higher percentage of toluene. 162. At 100°C the vapour pressure of a solution of 6.5 g of a solute in 100 g water is 732 mm. If K, =0.52, the boiling point of this solution will be: Leve %3D 1. (d) [NEET (Phase-I) 2016] (a) 102°C 163. The van't Hoff factor (i) for a dilute aqueous solution of the strong electrolyte barium hydroxide is: (b) 103°C (c) 101° C (d) 100° C 11. (d)
other
telegram-3740
asked
Feb 1, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...bout the ORGANIC CHEMI Group 1 er Group 11. NOMENCLATURE AND GENERAL Rank mplexes Group 1 creasi Which of the following can show tautomerism ? 3. (1) PI 1. NH (III) F e much (A) IL (A) (C) II The 4. these dinate (B) Mg is pose ting (C) II and (A rth In 5. NH What is the decreasing order of stability of the ions ? 2. I Н,С-нС \ph II Н,С -нС II Ph-HC CH,Ph 0-Ph (B) II > III > | (A) I> || > III (a)
other
telegram-3738
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...A calarimeres f mas A calosimekr of water of Equivalent 5ograns contains 50grams f Waler at GUC, When 100 gm ice is added to ît then VesuHant temperature is the D25°c AS Answer - 1bic
other
telegram-1364
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...5n/2 elan- (sin x) elan- (sin x) + elan- (cos x) 25. The value of I = dr, is T/2 (A) 1 (В) п (C) e (D) T/2
other
telegram-54194
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Vedantu 17.) CH;-CH,-CH-CH, obtained by chlorination of n- CI butane will be : (a) meso form (b) racemic mixture (c) d-form (d) l-form 18. Analyse the following reaction and identify the nature of A and B
other
telegram-54185
asked
Feb 1, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...CH Cl C. С.Н, CH3ONA → Product (Major)? CH; CH OCH, OCH, C. (1) C. CH, (2) С Н, IН Il CH; ind CH, C. (3) (4) C¿H;-CH=CH, OCH,
other
telegram-54181
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...4. (a) 15 8. (b) 45 (c). 7. elxl dx is equal to (b) e – 1 (d) 2e – 1 (a) e +1 (c) 2e On using elementary row
other
telegram-54178
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...(e) [xcos² x dx x coS
other
telegram-54176
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...English- 52 Which has highest number of atoms? 11.2 L of CO2 gas at STP 1 2g of H2 Your Answer 3 2g-atom of C 3g-molecule of SO2 4-
other
telegram-54174
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Q.11 Boolean relation at the output stage-Y for the following circuit is : +5 V Output-Y 5 V Options 1. A + B 2. A+B 3. A· B 4. ...
other
telegram-54165
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...8. Write the IUPAC name of the following compounds. он H2N СООН (a) 2-amino-4-hydroxy benzoic acid (b) 6-amino-4-hydroxy benzoic acid (c) 3-amino-4-carboxyphenol (d) 2-carboxy-4-hydroxyaniline 9. Which acid is present in vinegar? 2020.02.01 12:04
other
telegram-54162
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...A uniform sphere of mass m and radius . angle & to without slipping down an inclined plane set at on R horizontal. Find: (i) the friction coefficient at which slipping is absent (ii) the kinetic energy of the sphere t seconds after the bedin of motion.
other
telegram-3733
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...At high altitude, a body explodes at rest into two equal fragments with one fragment receiving horizontal velocity of 10 m/s. Time taken by the velocity vectors of the fragments to make 90° is (g = 10 m/s² ) (a) 0.5 s (b) 4 s (c) 2 s (d) 1 s
other
telegram-54157
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...EXERCISE-IIl (Analytical Questions) Two bodies perfoming S.H.M. have same amplitude 5. ALLEN 1. and frequency. Their phases at a certain instant of are as shown in the figure. The phase difference nd ng between them is 0.5 A (+x) (-x) A 6. (+x) (-x) 0.5A 3 (4) TC (3) 3 (2) Tt (1) -TC 6. nartiglo norforming S H.M. is found at its
other
telegram-54153
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...ferent In a certain oscillatory system, the amplitude of motion is 5 m and the time period is 4 s. The time taken by the particle for passing between points 6. of the auss which are at distances of 4 m and 2 m from the centre and on the same side of it will be (c) 0.33 s (d) 0.35 s (a) 0.30 s (b) 0.32 s
other
telegram-54151
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...A string is stretched along the X axis. A disturbance given by the equation y(x,t)= 4 sin TTX cos (10rt), is produced in the string. Where X is in cm andt is in seconds. If the Distance between two adjacent nodes is n cm, then find the value of n.
other
telegram-54139
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...A capacitor of capacitance C is charged to V, potential. The positive plate of this capacitor is now connected to the negative terminal of Vo potential difference battery and vice versa. Calculate the heat developed in the connecting wires. 7. (2) cv; (1) 2CV (3) CV? (4) Zero
other
telegram-3730
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...A capacitor of capacitance C is charged to V, potential. The positive plate of this capacitor is now connected to the negative terminal of Vo potential difference battery and vice versa. Calculate the heat developed in the connecting wires. 7. (2) cv; (1) 2CV (3) CV? (4) Zero
other
telegram-54135
asked
Feb 1, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...Show the mechanirm the Following o + CHGN H, CH3CH,OH CH, CH, OH +kCL Cald 4 CH, CH, CL t KOH Coliluted)
other
telegram-54118
asked
Feb 1, 2020
by
balaji.thirumalai
0
answers
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