Jump to a section

COMEDK 2019

Browse the complete Chemistry, Mathematics, and Physics question set from the COMEDK 2019 paper, question by question. Each question shows a quick preview so you can jump straight to the topic or subject you want to revise. Click through to attempt the full question in practice mode, or head back to the paper-wise list to download the entire paper as a PDF.

This paper has 180 questions in total - 73 easy (41%), 83 moderate (46%) and 24 tough (13%). That's an easier-than-usual mix for this exam - aim to clear it quickly and save time for the harder papers. By subject: Physics 47% easy, 40% moderate, 13% tough; Chemistry 32% easy, 57% moderate, 12% tough; Mathematics 43% easy, 42% moderate, 15% tough.

Chemistry questions were spread across 25 chapters, with d and f Block Elements (5), Biomolecules (4), and Electrochemistry (4) carrying the most weight. Mathematics questions were spread across 30 chapters, with Basic of Mathematics (4), Indefinite Integration (4), and Vector Algebra (4) carrying the most weight. Physics questions were spread across 24 chapters, with Waves and Sound (7), Wave Optics (6), and Electrostatics (4) carrying the most weight.

Chemistry

  1. 1Ozone in stratosphere is depleted by2019Air Pollution
  2. 2Which one of the following is an unsaturated fatty acid?2019Classification of organic compounds
  3. 3When chlorine is passed through boiling toluene, we get2019Preparation and Properties of Aryl Halides
  4. 4The standard temperature used in thermo chemical calculations is2019System and surrounding
  5. 5Which of the following is an intensive property?2019System and surrounding
  6. 6Schiffs reagent contains2019Tests for aldehyde and ketones
  7. 7The formula of chromyl chloride is2019Compounds of Transition Metals
  8. 8Horn silver is2019Minerals and ores
  9. 9Tetrahedral structure is formed by2019Molecular Orbital Theory
  10. 10ligand is2019Terminology of coordination compounds
  11. 11Cationic complex is2019Terminology of coordination compounds
  12. 12- atomic orbital undergoes linear combination with2019Quantum mechanical model
  13. 13In a first order reaction, molar concentration of a reactant decreases from to in . The rate constant of the reaction is2019Rate law and rate constant
  14. 14In which one of the following equilibria, pressure has no effect2019Le chatelier's principle
  15. 15Conductivity of a solution is not affected by2019Conductance and Conductivity
  16. 16The lowering in vapour pressure is maximum for2019Colligative Properties and Abnormal Molecular Masses
  17. 17Bromo ethane and isopropyl chloride with metallic sodium in ether forms2019Properties and Preparation of Alkanes
  18. 18To dry ammonia gas the drying agent used is2019Nitrogen and Its Compounds
  19. 19The metal hydroxide which is soluble in excess of ammonium hydroxide is2019Preliminary Tests
  20. 20Potassium dichromate can be converted to potassitun chromate by adding2019Compounds of Transition Metals
  21. 21of an acid is neutralised by of . The equivalent mass of the acid is2019Equivalence concept
  22. 22of solution of contains2019PH of solutions
  23. 2350 ec of oxalic acid is oxidised by 25 cc of . The mass of oxalic acid present in 500 ce of the solution is2019Redox titration
  24. 24Pure water is neutral because2019PH of solutions
  25. 25In the titration of mohr salt against , the indicator used is2019Redox titration
  26. 26The relationship between half-life of a reaction and the order of reaction is2019Integrated rate laws
  27. 27of urea is dissolved in of water. Relative lowering of vapour pressure is2019Colligative Properties and Abnormal Molecular Masses
  28. 28of sucrose is dissolved in of water. The molality of the solution is2019Concentration terms
  29. 29When common salt is added of a saturated solution of soap is precipitate(d)This is based on the principle of2019Colloids
  30. 30Highest osmotic pressure is shown by a solution of2019Colligative Properties and Abnormal Molecular Masses
  31. 31of first order reaction is completed in . The velocity constant of the reaction is2019Integrated rate laws
  32. 32The ebullioscopic constant is the elevation in boiling point produced by2019Colligative Properties and Abnormal Molecular Masses
  33. 33The mass of glucose to be dissolved in of water to get molal solution is2019Concentration terms
  34. 34of Mohr salt solution is oxidised by of in acid medium. The mass of Mohr's sallt present in 500 cc is2019Redox titration
  35. 35A reaction is spontaneous at all temperature, when2019Third law of thermodynamics
  36. 36The coordination number of sodium chloride is2019Cubic system
  37. 37Conjugate acid of is2019Theories of Acids and Bases
  38. 38Highest molar conductivity is given by2019Conductance and Conductivity
  39. 39In the detection of III group basic radicals is added after to2019Identification of Basic Radicals
  40. 40Just before attaining the chemical equilibrium2019Law of Mass Action, Equilibrium Constant (Kc and Kp) and its Application
  41. 41Which one of the following shows highest magnetic moment?2019Properties of D-block elements
  42. 42In 3rd series as we move from scandium to zinc the paramagnetism2019Properties of D-block elements
  43. 43The number of unpaired electrons in is2019Properties of D-block elements
  44. 44The IUPAC name of is2019Nomenclature of coordination compounds
  45. 45The adsorption of an inert gases on activated charcoal increase with2019Adsorption
  46. 46Electrolysis of brine gives a mixture of2019Cells and Electrode Potential, Nernst Equation
  47. 47Sucrose is a non-reducing sugar due to2019Disaccharides and Polysaccharides
  48. 48Sulphur containing amino acid is2019Properties and Preparation of Amino Acids
  49. 49Lysine is2019Properties and Preparation of Amino Acids
  50. 50In the Molisch reagent, the substance used is2019Proteins
  51. 51In benzene, each carbon atom undergoes2019Hybridisation and VSEPR Theory
  52. 52When vapours of isopropyl alcohol is passed over heated copper, we get acetone. It is an example for2019Reactions of Alcohols
  53. 53The IUPAC name of is2019IUPAC Nomenclature
  54. 54When benzaldehyde is condensed with acetic anhydride in presence of fused sodium acetate, we get2019Reactions for aldehydes
  55. 55When a mixture of calcium benzoate and calcium formate is dry distilled, we get2019Method of preparation for both aldehydes and ketones
  56. 56Which one of the following is strongly basic?2019Preparation and Properties of Amines
  57. 57Which one of the following is bi-functional compound?2019IUPAC Nomenclature
  58. 58When phenol is treated with chloromethane in presence of we get2019Preparation and Properties of Monohalides
  59. 59In the synthesis of ammonia2019Law of Mass Action, Equilibrium Constant (Kc and Kp) and its Application
  60. 60When the same amount of electricity is passed through solutions of silver nitrate and copper sulphate, copper is deposite(d)The amount of si2019Cells and Electrode Potential, Nernst Equation

Mathematics

  1. 1A variable line is such that . The locus of the mid-point of the portion of the line intercepted between the axes is2019Locus
  2. 2The point lies outside the circle2019Position of point
  3. 3If the circle and touch each other internally, then2019Common Tangents
  4. 4- The locus of the mid-points of the line joining the focus and point on the parabola is a parabola with the equation of directrix as2019Locus
  5. 5The tangents drawn at the extremities of a focal chord of the parabola2019Tangent to Parabola
  6. 6- On the set , of all integers * is defined by . If , then2019Questions on Symmetric Transitive and Reflexive Properties
  7. 7Which of the following is false?2019Mathematical Reasoning
  8. 8If , then2019Product of 2 vectors
  9. 9If and are unit vectors and a , then a is equal to2019Algebra of Vectors
  10. 10The projection of on is2019Product of 2 vectors
  11. 11If is defined by , then2019Inverse of a Function
  12. 12is a relation on given by . Which of the following belongs of ?2019Questions on Symmetric Transitive and Reflexive Properties
  13. 13If , then the position of the first significant figure of is2019Logarithm
  14. 14upto terms is equal to2019Summation of Series
  15. 15The ten's digit in is divisible by2019Divisibility Test
  16. 16The equation represents an ellipse if2019General Equation of 2nd degree curve
  17. 17The equation to the normal to the hyperbola at is2019Normal to hyperbola
  18. 18- The converse of the contrapositive of the conditional is2019Mathematical Reasoning
  19. 19-The perimeter of a certain sector of a circle is equal to the length of the arc of the semicircle. Then, the angle at the centre of the sec2019Measurement of Angles
  20. 20The value of is2019Basic Identities & T Ratios
  21. 21If and are the eccentricities of a hyperbola and its conjugate, then2019Equation of hyperbola
  22. 22- If and are prime numbers satisfying the condition , then the value of is2019Ratio and Proportion
  23. 23If , where is the identity matrix of order 3 , then is equal to2019Adjoint and its Properties
  24. 24The number of solutions for the equation is2019Solving Trigonometric Equation
  25. 25is2019Integration by Parts
  26. 26If is an even function and exists, then is2019Odd and Even Functions
  27. 27If is a complex number satisfying the equation , then is equal to2019Cube Root of Unity
  28. 28The derivative of w.r.t. is2019Derivative of f(x) wrt g(x)
  29. 29A unit vector perpendicular to both the vectors and is2019Product of 2 vectors
  30. 30If and then2019Expansion of Determinants
  31. 31The locus of a point which moves such that the sum of its distances from two fixed points is a constant is2019General Equation of 2nd degree curve
  32. 32The centroid of the , where , and is2019Coordinate System
  33. 33If represents a pair of lines, then2019Condition for 2nd degree equationto represent pair of straight lines
  34. 34The equation of the smallest circle passing through the points and is2019Equation of Circle & its intercept
  35. 35The characteristic roots of the matrix are2019Inverse of a Matrix
  36. 36If , then2019Inverse of a Matrix
  37. 37The set is not a multiplicative group because of the failure of2019Questions on Symmetric Transitive and Reflexive Properties
  38. 38-The angle of elevation of the top of a TV tower from three points and in a straight line through the foot of the tower are and respectively2019Heights and Distances
  39. 39T. The angles and of a are in A.P. If , then the angle is2019Sine Rule and its application
  40. 40is equal to2019Converting one Inverse T function to other Inverse T
  41. 41The general solution of is (when ) given by2019Basic
  42. 42The real root of the equation is2019N degree equation
  43. 43The digit in the unit's place of is2019Divisibility Test
  44. 44The remainder when is divided by 5 is2019Remainder and Divisibility Problems
  45. 45Preview not available - open to view this question.2019Integration by Substitution
  46. 46The value of depends on the2019Properties of Definite Integration
  47. 47The area of the region bounded by and the -axis is2019Area of Curve along axis
  48. 48The differential equation represents2019Variable Separable Form
  49. 49If , then2019Differentiation of composite functions
  50. 50Then which of the following is true?2019Continuity
  51. 51The maximum area of a rectangle that can be inscribed in a circle of radius 2 units is (in square units)2019Area bounded by Miscellaneous Curves
  52. 52If is a complex number such that , then2019Conjugate, modulus and argument
  53. 53The value of is2019De Moivres Theorem
  54. 54is equal to2019Trigonometric and Inverse Trigonometric limits
  55. 55A stone is thrown vertically upwards and the height t. reached by the stone in sec is given by . The stone reaches the maximum height in2019Rate Measure Error and Approximation
  56. 56The maximum value of in is2019Maxima Minima
  57. 57If , then2019Higher order derivatives
  58. 58If , then the value of2019T-Ratios of Multiple & sub multiple angles
  59. 59Preview not available - open to view this question.2019Fundamental of Indefinite Integration
  60. 60If , then2019Integration by Substitution

Physics

  1. 1A thin plano-convex lens acts like a concave mirror of focal length when silvered from its plane surface. The refractive index of the materi2019Lens Formula, Refraction of light from curved surface
  2. 2The physical quantity having the same dimensions as Planck's constant is2019Dimensions
  3. 3A balloon is rising vertically up with a velocity of , A stone is dropped from it and it reaches the ground in . The height of the balloon w2019Motion Under Gravity
  4. 4A thread is tied slightly loose to a wire frame as in figure and the frame is dipped into a soap solution and taken out. The frame is comple2019Surface tension
  5. 5Oxygen is 16 times heavier than hydrogen. Equal volumes of hydrogen and oxygen are mixe(d)The ratio of speed of sound in the mixture to that2019Speed of Sound Waves
  6. 6When light is incident on a diffraction grating, the zero order principal maximum will be2019Diffraction of Light
  7. 7H-polaroid is prepared by2019Polarization of Light
  8. 8SI unit of permittivity is2019Units
  9. 9A spherical drop of capacitance is broken into eight drops of equal radius. Then, the capacitance of each small drop is2019Capacitance
  10. 10Two equal forces ( each) act at a point inclined to each other at an angle of . The magnitude of their resultant is2019Addition and Subtraction of Vectors
  11. 11If two waves of the same frequency and amplitude respectively on superposition produce a resultant disturbance of the same amplitude the wav2019Interference and Superposition of Waves
  12. 12A man, standing between two cliffs, claps his hands and starts hearing a series of echoes at intervals of one secon(d)If the speed of sound 2019Beats
  13. 13A beam of light of wavelength from a distant source falls on a single slit wide and the resulting diffraction pattern is observed on a scree2019Diffraction of Light
  14. 14Specific rotation of sugar solution is SI units. of impure sugar solution is taken in a polarimeter tube of length and an optical rotation o2019Polarization of Light
  15. 15An electron is accelerated through a potential difference of . The velocity acquired by it (in ) is2019Electric Potential and Potential Energy
  16. 16When a body is earth connected, electrons from the earth flow into the body. This means, the body is2019Electric Charge and Coulomb's law
  17. 17Effective capacitance between and in the figure shown is (all capacitances are in )2019Grouping of capacitors
  18. 18Which state of triply ionised Beryllium has the same orbital radius as that of the ground state of hydrogen?2019Bohr's Atomic Model
  19. 19If is the atomic mass and is the mass number, packing fraction is given by2019Nuclear structure
  20. 20A count rate meter shows a count of 240 per min from a given radioactive source. One hour later the meter shows a count rate of 30 per min. 2019Radioactivity
  21. 21The refractive index of a particular material is for blue light, for yellow light and 1.63 for red light. The dispersive power of the materi2019Prism and Dispersion of Light
  22. 22An ideal gas heat engine operates in a Carnot's cycle between and . It absorbs J at high temperature. The amount of heat converted into work2019Heat Engine, Refrigerator and Second Law of Thermodynamics
  23. 23Which one of the following graphs represents the behaviour of an ideal gas?2019Gas Laws
  24. 24Rainbow is formed due to2019Prism and Dispersion of Light
  25. 25A beam of parallel rays is brought to a focus by a plano-convex lens. A thin concave lens of the same focal length is joined to the first le2019Combination of Lens and Mirrors
  26. 26Two conductors of the same material have their diameters in the ratio and their lengths in the ratio . If the temperature difference between2019Conduction
  27. 27Blowing air with open mouth is an example of2019Thermodynamic Processes
  28. 28Sound waves in air are always longitudinal because2019Properties of Sound Waves
  29. 29In Young's double slit experiment, if monochromatic light used is replaced by white light, then2019Youngs Double Slit Experiment
  30. 30In a Young's double slit experiment, the separation between the two slits is and the fringes are observed away. If it produces the second da2019Youngs Double Slit Experiment
  31. 31An uncharged sphere of metal is placed inside a charged parallel plate capacitor. The lines of force will look like2019Electric Field and Electric Field Lines
  32. 32A wire has a resistance of . It is cut into two parts and both half values are connected in parallel. The new resistance is2019Resistance and Resistivity
  33. 33A current flows in a conductor from East to West. The direction of the magnetic field at a point above the conductor is2019Biot-Savart's Law and Ampere's Circuital Law
  34. 34A bar magnet is equivalent to2019Magnetism and Properties of Magnet
  35. 35Excitation energy of a hydrogen like ion in its first excitation state is . Energy needed to remove the electron from the ion in ground stat2019Bohr's Atomic Model
  36. 36Threshold wavelength for photoelectric emission from a metal surface is . Photoelectrons will be emitted when this surface is illuminated wi2019Photoelectric Effect
  37. 37The emitter-base junction of a transistor is ....... biased, while the collector-base junction is ....... biased.2019Diodes
  38. 38In a forward biased -n junction diode, the potential barrier in the depletion region is of the form2019Diodes
  39. 39A cylinder of radius and length is placed in an uniform electric field parallel to the axis of the cylinder. The total flux for the surface 2019Electric Flux and Gauss Law
  40. 40Two electric bulbs and are rated as and . They are connected in parallel to the same source. Then,2019Electric Power and Heating Effect of Current
  41. 41Three long straight wires and are carrying currents as shown in figure. Then, the resultant force on is directed2019Force and Torque on Current Carrying Conductor
  42. 42Curie-Weiss law is obeyed by iron at a temperature2019Magnetic Materials and their Properties
  43. 43The dimensional formula for inductance is2019Dimensions
  44. 44A magnet is suspended from a spring and while it oscillates, the magnet moves in and out of the coil . The coil is connected to a galvanomet2019Induced Electric Field
  45. 45The maximum current that can be measured by a galvanometer of resistance is . It is converted into a voltmeter that can read upto . The resi2019Electric Instruments
  46. 46An unknown resistance is connected in series with a resistance of . This combination is connected to one gap of a meter bridge, while a resi2019Experimental Physics
  47. 47In the circuit shown, the internal resistance of the cell is negligible. The steady state current in the resistor is2019AC Circuits
  48. 48A rectangular coil of 300 turns has an average area of . The coil rotates with a speed of 50 cps in a uniform magnetic field of strength abo2019Motional and Rotational EMF
  49. 49In a circuit the potential diffcrcnce between the terminals of the inductance is , between the terminals of the capacitor is and that betwee2019AC Circuits
  50. 50A vertical circular coil of radius and having 10 turns carries a steady current. When the plane of the coil is normal to the magnetic meridi2019Magnetic Flux, Faraday's and Lenz law
  51. 51The spectrum obtained from the chromosphere of the sun at the time of total solar eclipse is2019Atomic Spectrum
  52. 52Heavy water is2019Nuclear reactions
  53. 53The nuclear reactor at Kaiga is a2019Nuclear reactions
  54. 54When a body moves in a circular path, no work is done by the force since2019Work done
  55. 55A bullet moving with a speed of can just penetrate two planks of equal thickness. Then, the number of such planks penetrated by the same bul2019Uniform Motion
  56. 56Two bodies of masses and have equal momentum. Then, the ratio of their kinetic energies is2019momentum
  57. 57The loudness and pitch of a sound note depends on2019Properties of Sound Waves
  58. 58Absorption co-efficient of an open window is2019Radiation
  59. 59In Melde's experiment in the transverse mode, the frequency of the tuning fork and the frequency of the waves in the string are in the ratio2019Vibration of String
  60. 60The difference between the apparent frequency of a source of sound as perceived by the observer during its approach and recession is of the 2019Doppler's Effect

Frequently Asked Questions

1.How many questions are in the COMEDK 2019 paper?

This paper has 180 questions in total - 60 each from Chemistry, Mathematics, and Physics.

2.Can I practise questions from just one subject?

Yes. Use the Chemistry, Mathematics, and Physics tabs at the top of the page to jump directly to that subject's question set within this paper.

3.How is the COMEDK 2019 paper structured?

The COMEDK 2019 paper on MARKS has 180 questions, organised by subject:

  • Chemistry: 60 questions - 60 single-correct.
  • Mathematics: 60 questions - 60 single-correct.
  • Physics: 60 questions - 60 single-correct.
4.How difficult is the COMEDK 2019 paper?

Each question on MARKS carries a difficulty rating. Of the 180 rated questions in this paper, 73 (41%) are easy, 83 (46%) are medium and 24 (13%) are hard. Subject wise:

  • Chemistry: 19 easy, 34 medium, 7 hard
  • Mathematics: 26 easy, 25 medium, 9 hard
  • Physics: 28 easy, 24 medium, 8 hard
5.Which chapters were asked the most in the COMEDK 2019 paper?

The chapters with the most questions in each subject were:

  • Chemistry: d and f Block Elements (5), Biomolecules (4), and Electrochemistry (4).
  • Mathematics: Basic of Mathematics (4), Indefinite Integration (4), and Vector Algebra (4).
  • Physics: Waves and Sound (7), Wave Optics (6), and Electrostatics (4).
6.Where can I find the solutions for the COMEDK 2019 paper?

Open any question on this page. Its page shows the correct answer and, where one is available, the worked solution. A downloadable PDF of the whole paper is coming soon.

7.How should I use the COMEDK 2019 paper to check my preparation?

Set a timer, attempt the 180 questions as you would in the exam, and only then open the answers. Note which subjects and chapters cost you the most marks, and revise those first using the chapter-wise practice for COMEDK. Repeating this with other papers shows whether the same weak spots keep coming back.

8.Will the COMEDK 2019 paper help me prepare for COMEDK 2027?

Yes. Every past paper shows the question styles and topics COMEDK has asked before, and a solved paper gives you a realistic benchmark for speed and accuracy. Use it along with the other papers to spot the chapters that keep returning.