CUET(UG) Chemistry Sample Paper with Answer

CUET Chemistry Sample Paper with Answer

CUET(UG) Chemistry Sample Paper with Answer SET-2

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1. Oxidation number of Cl in CaOCl₂ is

A. −1
B. +1
C. −1 and +1
D. Zero

Answer

C

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2. Colligative properties depends upon the

A. Number of solute particles
B. Number of solvent particles
C. Nature of solute particles
D. Nature of solution

Answer

A

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3. The phenomenon of scattering of light by the colloidal particles is known as

A. Raman effect
B. Newton’s ring
C. Spectral effect
D. Tyndall effect

Answer

D

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4. Molecule have the zero dipole moment is

A. NH₃
B. CO₂
C. CH₂Cl₂
D. SO₂

Answer

B

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5. The geometry of sulphuric acid is

A. Linear
B. Tetrahedral
C. Octahedral
D. Square planar

Answer

B

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6. What is the concentration in terms of mass by volume percentage of the solution containing, 3 gm of potassium chloride in 75 ml of potassium chloride solution.

A. 4%
B. 6%
C. 9%
D. 25%

Answer

A

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7. According to de Broglie’s hypothesis, the wavelength of electron is

A. Directly proportional to velocity of particle
B. Directly proportional to square velocity of particle
C. Inversely proportional to velocity of particle
D. Inversely proportional to square of velocity of particle

Answer

C

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8. EMF of the galvanic cell is

A. 0 Volt
B. 1.1 Volt
C. 3.2 Volt
D. Infinite Volt

Answer

B

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9. During the electrolysis of aqueous sodium chloride solution

A. Hydrogen deposited at cathode
B. Sodium deposited at cathode
C. Oxygen deposited at cathode
D. Chlorine deposited at cathode

Answer

A

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10. The formula of osmotic pressure is

A. π = nST
B. π = iCST
C. π = MST/R
D. π = iCS/T

Answer

B

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11. MgCl₂ has a theoretical van’t Hoff factor

A. 2
B. 3
C. 0
D. infinite

Answer

B

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12. The coordination number of chlorine in sodium chloride crystal is

A. 1
B. 3
C. 6
D. 9

Answer

C

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13. Which of the following is not correct for Schottky defect

A. Increases the density of the crystal
B. Decreases the density of the crystal
C. Is a type of point defect
D. Equal number of cations and anions are missiong from their crystal

Answer

A

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14. Half life period of first order reaction

A. Depend upon the initial concentration
B. Does not depend upon the initial concentration
C. Directly proportional to the square root of the initial concentration
D. None of the above

Answer

B

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15. What is molarity in terms of volume strength of hydrogen peroxide

A. Volume strength = 1.2 Molarity
B. Volume strength = 11.2 Molarity
C. Volume strength = 11 Molarity
D. Volume strength = 112 Molarity

Answer

B

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16. Mond's process is used for

A. Cu
B. Al
C. Zn
D. Ni

Answer

D

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17. During extraction, copper is obtained by the reduction of cupric oxide with

A. Cu₂S
B. SO₂
C. CO
D. FeS

Answer

A

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18. The number of lone pair in XeO₃

A. 0
B. 1
C. 2
D. 3

Answer

B

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19. IUPAC name of [Zn(OH)₄]⁻² is

A. Tetra hydroxide zinc
B. Tetra hydroxide zincate ion
C. Tetra hydroxide zincate (II) ion
D. Tetra hydroxide zincite (II) ion

Answer

C

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20. On oxidation with a mild oxidising agent like Br₂/H₂0, the glucose is oxidized to

A. Saccharic acid
B. Glucaric acid
C. Gluconic acid
D. Valeric acid

Answer

C

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21. Carbohydrates are stored in human body as the polysaccharide is

A. Starch
B. Glycogen
C. Cellulose
D. Amylose

Answer

B

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22. There are 14 elements in actinoid series. Which of the following element does not belong to this series

A. U
B. Np
C. Tm
D. Fm

Answer

C

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23. IUPAC name of m-cresol is

A. 3-methylphenol
B. 3-chlorophenol
C. 3-methoxyphenol
D. Benzene-1,3-diol

Answer

A

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24. Oxidation state of iron in K₃[Fe(ox)₃] is

A. 0
B. +2
C. +3
D. +1

Answer

C

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25. CH₃CONH₂ on reaction with NaOH and Br₂ in alcoholic medium gives

A. CH₃CH₂NH₂
B. CH₃CH₂Br
C. CH₃NH₂
D. CH₃CH₂COONa

Answer

C

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26. Phenol on reduction with zn-dust gives

A. Aniline
B. Cyclohexane
C. Benzene
D. Benzaldehyde

Answer

C

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27. Which of the following may gives Friedel-Crafts reaction

A. Aniline
B. Nitrobenzene
C. Benzoic acid
D. Toluene

Answer

D

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28. Which of the following is not a factor in receptor selectivity for messengers

A. Shape of binding site
B. Location in the membrane
C. Amino acid composition
D. Structure

Answer

B

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29. An ester used in medicine is

A. Ethyl acetate
B. Methyl acetate
C. Methyl salicylate
D. Ethyl benzoate

Answer

C

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30. Which of the following is an antihistamine drug

A. Chloropheniramine maleate
B. Ciprofloxacin
C. Chloramphenicol
D. Chloroquin

Answer

A

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31. In the rate equation, when the concentration of reactants is unity then the rate is equal to

A. Specific rate constant
B. Average rate constant
C. Instantaneous rate constant
D. None of the above

Answer

A

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32. In the reaction 2A + B → A₂B, if the concentration of A is doubled and that of B is halved, then the rate of the reaction will

A. Increase 2 times
B. Increase 4 times
C. Decrease 2 times
D. Remain the same

Answer

A

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33. In froth flotation, what role does the revolving paddle play

A. Enhances wettability of gangue particles
B. Stabilises the froth
C. Draws in the air causing frothing
D. Enhances non-wettability of the ore particles

Answer

C

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34. Electrolysis does not remove which of the following metals

A. Na
B. Mg
C. Al
D. Fe

Answer

D

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35. Which of the following is an illustration of metallurgical electrochemical principles

A. Baeyer’s process
B. Solvay process
C. Bergius process
D. Hall-Heroult process

Answer

D

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36. Which of the following is not a favourable condition for physical adsorption

A. High pressure
B. Negative δH
C. Higher critical temperature of adsorbate
D. High temperature

Answer

D

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37. How many structural isomers are possible for C₃H₉N

A. 4
B. 2
C. 5
D. 3

Answer

A

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38. Which of the following has highest boiling point

A. n-Butane
B. 2-methyl propane
C. 2-chloro propane
D. Methane

Answer

C

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39. Which of the following is formed in the reaction of an aldehyde and primary amine

A. Ketone
B. Aromatic acid
C. Schiff’s base
D. Carboxylic acid

Answer

C

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40. When ethanol combines with PCl5, it produces three products: chloroethane, hydrochloric acid, and

A. Phosphorus acid
B. Phosphoryl chloride
C. Phosphorus trichloride
D. Phosphoric acid

Answer

B

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41. Which of the following undergoes nucleophilic substitution exclusively by SN 1 mechanism

A. Benzyl chloride
B. Ethyl chloride
C. Chlorobenzene
D. Isopropyl chloride

Answer

B

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42. CH₃CH₂CH₂Br + NaCN → CH₃CH₂CH₂CN + NaBr, will be fastest in

A. Ethanol
B. Methanol
C. N, N dimethyl formamide
D. Water

Answer

C

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43. Which of the following cannot reduce Fehling’s solution

A. Formic acid
B. Acetic acid
C. Formaldehyde
D. Acetaldehyde

Answer

B

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44. Trans-esterification is a reaction between

A. Two ester molecules
B. Alcohol and carboxylic acid
C. Alcohol and ether
D. Alcohol and ester

Answer

D

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45. HVZ reaction is used to prepare

A. β-haloacid
B. α-haloacid
C. α, ß-unsaturated acid
D. None of these

Answer

B

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SET-1 SET-2 SET-3 SET-4 SET-5 SET-6

CUET(UG) Chemistry Practice Questions with Answer

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