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(chatquestion)...phol (2) Acetamide (3) Ethyl amine (4) Acetaldehyde 82. Which among the following pairs cannot be distinguished by iodoform test? (1) CH,CHO and CgH,CH,CHO (2) CH,OH and C,H,OH (3) CH;CHO and C,H;OH CHO and CH,CHO (4) CHs CHCOHSpace f or
other
telegram-54800
asked
Feb 3, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...ice cubes, the entropy of water oes not change (2) Increases (3) Decreases (4) May either increase or decrease depending on the process used For a, phase change H,0(4) oC Ibar H,O(5) 0°C 1 (2) AS = 0 X (4) AU = 0X WAG = 0 (3) AH = 0 13 %3D For a spontaneous process the correct statement Oune Totel 7. EMLENG\SET 02\09-THERMODYNAMICS\02-EXERCISE R
other
telegram-3834
asked
Feb 3, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...kp Cequa li brium Constant) find Quer /2 02
other
telegram-54791
asked
Feb 3, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...Which of the following molecule/species are iso-structural with N, ion? (2) I, (1) I (4) HCO, (3) NH,
other
telegram-54789
asked
Feb 3, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...kp Cequa li brium Constant) find Quer /2 02
other
telegram-54786
asked
Feb 3, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...Br KBr + MnO2 + H2SO4 (conc.)-→ KHSO4 + MNSO4 + H2O + [X] (unbalanced equation) AJ X turns starch paper orange red (B) X with AgNO3 solution gives a pale yellow ppt which is completely soluble in dilute ammonium hydroxide. (C) X produces violet colour in organic layer in KI solution (D) X is liberated when a 5.a of KBr
other
telegram-54783
asked
Feb 3, 2020
by
balaji.thirumalai
0
answers
A solid AB has a rock salt structure. If the radius of cation A+ is 120pm w
chemistry
class12
asked
Feb 3, 2020
by
shilpiambashth27
1
answer
(chatquestion)...A balloon rises from rest with a constant acceleration g/8. A stone is released from it when it has risen to height h. The time taken by the stone to reach the ground is (b) 2 (a) 4 2h (c) (d)
other
telegram-54780
asked
Feb 3, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...21. A block of mass m is in contact with the cart C as shown in the figure. The coefficient of static friction between the block and the cart is u. The acceleration a of the cart that will prevent the block from falling satisfies: [AIPMT (Prelims)-2010] mg (1) α> (2) a > um (4) a < (3 ) α
other
telegram-54769
asked
Feb 3, 2020
by
balaji.thirumalai
1
answer
Find the equation of the plane passing through the point 1, - 1 - 2 and 2,
math
class12
asked
Feb 3, 2020
by
champadevi6367
1
answer
(chatquestion)...[HS'17] | 24. 25% of the scored in a distribution is less than | the score 10 and 25% is more than the score 40. Find out the quartile deviation of the distribu- [HS '18] | B. Short Type Questions: Marks: 2/3/4 1. What do you mean by Quartile Deviation?
other
telegram-54764
asked
Feb 3, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...A mixture of H,0 vapour, CO, and N, was trapped in a glass apparatus with a voume of 0.731 mL. The pressure of the total mixture was 1.74 atm at 27° C. The sample was transferred to a bulb in contact with dry ice (-75°C) so that the H,O vapour was frozen out. When the sample was returned to the measured volume, the pressure was 1.32 atm. The sample was then transferred to a bulb in contact with liquid nitrogen (-95° C) to freeze out the CO,. In the measured volume, the pressure was 0.53 atm. How many moles of each constituent are in the mixture ? Two flasks of equal volume conected bt a narrow tube Q11. (of negligible volume ) are 27° C and contain o One of the flask is then immersed into a bath kept at 127° C,
other
telegram-54760
asked
Feb 3, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...(D) F and P (C) G and F MATCH LIST TYPE This question contains two matching lists. Choices for the correct combination of elements from Lista e List-ll are given as option (A), (B), (C) and (D) out of which one is correct. Two identical speakers emit sound waves of frequency 680 Hz uniformly in all directions with a total output of 1mW each. The speed of sound in air is 340 m/s. A point P is at a distance 2m from one speaker and 3m from the other. Match the following. List - II List - I The intensity due to a speaker at point P which is 2 m (P) 5.6 x 10 W/m? (1) from the source If the speakers are driven coherently and in phase, the (Q) intensity at point P will be due to both speakers 2.2x 106 W/m2 (2) If they are driven coherently but out of phase by 180°, (R) the intensity at point P will be due to both speakers 2.9 x 10 W/m? (3) If the speakers are incoherent, the intensity at point P (S) will be due to both speakers 2 x 105 w/m2 (4) Codes: 4 3 (A) (B) 4. 4. 3. St231 P234 2
other
telegram-54750
asked
Feb 3, 2020
by
balaji.thirumalai
0
answers
Which Complex exhibit geometrical Isomerism
chemistry
class12
asked
Feb 3, 2020
by
jonisabarni
1
answer
(chatquestion)...= cot"(3x+ 2) + cot"(6x+2) + cot" (10x + )+ S. upto n terms ニ where, x>o. If Lim S, = 1; then x = (A) TT (B) 1 (C) tan 1 (D) cot 1
other
telegram-54741
asked
Feb 3, 2020
by
balaji.thirumalai
1
answer
Solve the equation x4−4x3+11x2−14x+10=0 if one root is 1+2i.
math
class11
asked
Feb 3, 2020
by
sanjaykrish6886
1
answer
(chatquestion)...uny Tole III CaiciuI balance in the human body? (a) Vitamin D (c) Thyrocalcitonin (b) Parathyroid hormone Jd Thymosin 14. Which of the following organs in mammals does not consist of a central 'medullary' region surrounded by a cortical region? (a) Ovary (0iver 15. Which of the following conditions is not linked to deficiency of thyroid hormone? JA Cretinism AoK Adrenal (d) Kidney (b) Goitre
other
telegram-54737
asked
Feb 3, 2020
by
balaji.thirumalai
0
answers
For a prism of refractive index 1.732 the angle of minimum deviation is equ
physics
class12
asked
Feb 3, 2020
by
navaneethakrishnan203
1
answer
The near point of a hypermetropic person is 75 cm
physics
class10
asked
Feb 3, 2020
by
wadhwamanju2012
1
answer
Find the volume of the cuboid whose length=8cm bredth=8cm height=15cm
math
class8
asked
Feb 2, 2020
by
kaladharadk
1
answer
(chatquestion)...Find the vector and cartesian equations of the line through the point (1, 2, – 4) and perpendicular to the two lines 7=(8i - 19j+10k) + 2 (3i – 16j + 7k) and bas %3D T = (15i + 29j+ 5À) + µ (3î + 8j – 5Â).
other
telegram-54730
asked
Feb 2, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...x+2 dx. +2x+3 x²
other
telegram-54727
asked
Feb 2, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...log|1+ x| dx. 1+ x2
other
telegram-54724
asked
Feb 2, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...Explain Dow's process for the preparation of Phenol.
other
telegram-54717
asked
Feb 2, 2020
by
balaji.thirumalai
1
answer
Young double slit experiment the value of the path difference between two w
physics
class12
asked
Feb 2, 2020
by
rohitgoswami.si1204
1
answer
(chatquestion)...30 (r+ 2) (r- 3) is equal to : The value of 24. r=16 t tem (3) 7785 (2) 7780 (1) 7770
other
telegram-54660
asked
Feb 2, 2020
by
balaji.thirumalai
1
answer
Find the area of the circle x^2+y^2= 6x, lying above the x-axis and bounded
math
class12
asked
Feb 2, 2020
by
pallavisarkar2017
1
answer
Two block of masses m1 and m2, with m1 > m2, are placed in contact with eac
physics
noclass
asked
Feb 2, 2020
by
mikias3977
1
answer
H- spectrum lies in visible region
physics
class12
asked
Feb 2, 2020
by
rohitgoswami.si1204
1
answer
A manufacturer produces nuts and bolts.it takes one hour of work on machine
math
class12
asked
Feb 2, 2020
by
prernasingh.chauhan30
0
answers
What are various types of parasites
biology
class12
asked
Feb 2, 2020
by
kg9335403
1
answer
(chatquestion)...Compare bond length between w,x,y,z. Also provide explanation please. Answer Pending Feb 1, 2020, 1:20:49 PM en Compare bond lengbh C-0 R-CCH
other
telegram-54643
asked
Feb 2, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...Questiom 27. Prove by vector method that the altitudes of a triangle are concurrent. Or
other
telegram-54633
asked
Feb 2, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...(b) The wavelength of visible light ranges from 2, = 770 nm down to 22 = 380 nm. What colors do the wavelength 2, and 2; corespond to, respectively? Why is that particular cange.of wavelengths visible? (c) The double -slit arrangement is illuminated with light from a mercury vapor lamp filte 30 that only the strong green line (=546 nm) is visible. The slits are 0.12 mm apart, an the screen on which the interference pattern appears is 55 cm away. (1) What is the angular position of the first minimum? (i)What is the distance on the screen between the adjacent maxima? %3!
other
telegram-54628
asked
Feb 2, 2020
by
balaji.thirumalai
0
answers
When a relation on set {1,2,3} is defined by R = (1,2) then R is
math
class12
asked
Feb 2, 2020
by
jaideepbalyan95415
1
answer
construct triangle d e f such that de is equal to 5 cm and df is equal to 3
math
class7
asked
Feb 2, 2020
by
rishisharma62614
1
answer
द प्रोडक्ट ऑफ प्लेस वैल्यू ऑ
math
noclass
asked
Feb 2, 2020
by
ajaybishnoi9277
1
answer
(chatquestion)...76. (76. In the following chemical reactions: B,0, + C + Cl, → A + B |Н.О -Но AHot C+D Which of the following option is incorrect :- (1) Bond order of 'B' is 3 (2) A, B & C compound are acidic in nature (3) A, C & D are acidic in nature (4) B & C shows back bonding 77. 77. When copper ore is mixed with silica in a
other
telegram-54614
asked
Feb 2, 2020
by
balaji.thirumalai
0
answers
The inequality|a*b|=<|a||b| is called
math
class12
asked
Feb 2, 2020
by
avneetbawa77
1
answer
(chatquestion)...d. (1,2) c. (-3,2) 30. The equation of the st. line passing through (1,1) and parallel to x- 5xy+4y'+x+2y-2 =0 is a. x²-5xy+4y+3x-3y=o b. x2+5xy+3y'+7x+2y=0 c. 4x²-3xy+7y'=0 d. x²+2xy+3y²+7x+4y=0 31. The product of
other
telegram-54609
asked
Feb 2, 2020
by
balaji.thirumalai
0
answers
find the area of the region included between the parabolas y^2= 4ax and x^
math
class12
asked
Feb 2, 2020
by
anjalisanthan2002
1
answer
(chatquestion)...ONE OPTION CORRECT TYPE An examination paper contains 8 questions of which 8. 1. 4 has 3 possible answers, 3 have 2 possible an- swers each and the remaining one question has 4 possible answers. The total number of possible an- swers to all the question is 9. (2) 78 (1) 2880 (4) 2592 (3) 94 10 A nolygon has 44 diagonals. The number of its
other
telegram-54607
asked
Feb 2, 2020
by
balaji.thirumalai
0
answers
If alpha and beta are the zeros of the polynomial f(x)=x^2+X+1
math
class10
asked
Feb 2, 2020
by
ramya123blr
1
answer
(chatquestion)...d an and NA (c) sin (d) sin the 22. L. cide. own 14, An oil flowing on water seems coloured due to interference own For observing this effect, the approximate thickness of the ol nt is 010] film should be [JIPMER 1997; RPMT 2002, 04) (b) 10000 Å (a) 100 Å (d) 1 cm (c) 1 mm 12
other
telegram-54605
asked
Feb 2, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...78) A coil of inductance L = 50HH and resistance = 0.5N is %3D %3D connected to a battery of emf = 5 V. A resistance of 10 2 is connected parallel to the coil. Now, at same instant the connection of the battery is switched off. Then, the amount of heat generated in the coil after switching off the battery is (a) 1.25 mJ %3D (d) 0.12 mJ (c) 0.65 mJ (b) 2.5 mJ 79, In the circuit shown, the coil has inductance and d to Y, the time constant is
other
telegram-54597
asked
Feb 2, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...F, (3) d 12. Two e R. to ea and (1) F3-F,+ F2 symr Whe (2) F-F,-F2 (3) V(F, -FY +F} be z (4) V(F,-F.Y -F? Charge q is uniformly spread on a thin ring of radius R. The ring rotates about its axis with a uniform frequency fHz. The magnitude of magnetic induction at the center of the ring is 8. (1) (3) Hogf (2) 2nR (1) 2TFR 13. A cu dia Hogf s al inemom of 2R 2fR C (1 The magnetic field of given length of wire for single turn coil at its centre is B then its value for two 9. (2 turns coil for the same wire is (- is 14. L (1) ht 4 (4) 2B re. (3) 4B 10. A very long straight wire carries a current /. At the instant when a charge +Q at point P has velocity v, as shown, the force on the charge is P. the of Onnosite to Oy
other
telegram-54595
asked
Feb 2, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...he he (4) 90 m (3) 80 m 18. A projectile is projected with a speed 30 m/s at an angle 30° with the vertical. The speed of the projectile when its direction of motion makes an angle 30° with the horizontal is (1) 10 m/s (2) 20 m/s (3) 10/3 m/s (4) 20/3 m/s on 19. The position-time (x-t) graph for a particle moving ual along x-axis is as shown in the graph. Average nis
other
telegram-54592
asked
Feb 2, 2020
by
balaji.thirumalai
1
answer
(chatquestion)...1,% 48= -8/%+-8 (-0.2) 3.
other
telegram-54587
asked
Feb 2, 2020
by
balaji.thirumalai
0
answers
(chatquestion)...0. 9. Given a uniformly charged plane/sheet of surface charge density o = 2 × 1017 C/cm?. (1) Find the electric field intensity at a point A, 5 mm from the sheet on the left side. away (ii) Given a straight line with three points X, Y and Z placed 50 cm away from the charged sheet on the right side. At which of these points, the field due to the sheet remains the same as that of point A and why ? A&E [CBSE SQP 2016] 10 cm Y--. 50 cm 10 cm
other
telegram-54582
asked
Feb 2, 2020
by
balaji.thirumalai
0
answers
There are three coins one is two tailed coin another is biased coin that co
math
class12
asked
Feb 2, 2020
by
bs2317529
1
answer
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