PU CET Lahore (Engineering & CS) Chemistry: Practice MCQs with Answers

Practise PU CET Lahore (Engineering & CS) Chemistry practice MCQs in sets of about 20 questions with instant answers and explanations. This page focuses on m…

Loading sets…

PU CET Lahore (Engineering & CS) Chemistry Practice sample MCQs

  1. Q1. The number of moles of solute in 1 L of 1 M solution is

    • A) 0.5
    • B) 1
    • C) 1.5
    • D) 2

    Answer: 1

  2. Q2. The number of sigma bonds in CH4 is

    • A) 4
    • B) 3
    • C) 2
    • D) 1

    Answer: 4

  3. Q3. For the reaction 2A ⇌ B, if KC = 4, then for A ⇌ 1/2B, KC' is

    • A) 2
    • B) √4
    • C) 4²
    • D) 1/2

    Answer: √4

  4. Q4. A lake has a pH of 6. What is the pOH?

    • A) 8
    • B) 6
    • C) 7
    • D) 5

    Answer: 8

  5. Q5. The molar volume of an ideal gas at 1 atm and 0°C is

    • A) 22.4 L
    • B) 11.2 L
    • C) 20 L
    • D) 24 L

    Answer: 22.4 L

  6. Q6. What is the compressibility factor for an ideal gas?

    • A) 1
    • B) 0
    • C) 2
    • D) -1

    Answer: 1

  7. Q7. The number of π bonds in benzene is

    • A) 3
    • B) 4
    • C) 5
    • D) 6

    Answer: 3

  8. Q8. Which nucleotide is NOT a component of DNA?

    • A) dATP
    • B) dGTP
    • C) dCTP
    • D) UTP

    Answer: UTP

  9. Q9. The energy of an electron in the 2nd orbit of He+ is

    • A) -13.6 eV
    • B) -6.8 eV
    • C) -27.2 eV
    • D) -54.4 eV

    Answer: -27.2 eV

  10. Q10. The molecule that exhibits resonance is?

    • A) CO2
    • B) H2O
    • C) O3
    • D) CH4

    Answer: O3

  11. Q11. The bond length of O-O in O2 is?

    • A) 1.21 A
    • B) 1.48 A
    • C) 1.34 A
    • D) 1.54 A

    Answer: 1.21 A

  12. Q12. The molecule that is most likely to be paramagnetic is

    • A) O2
    • B) N2
    • C) CO
    • D) NO+

    Answer: O2

  13. Q13. The rate constant for a reaction is 0.01 M-1s-1. The order of the reaction is

    • A) 1
    • B) 2
    • C) 0
    • D) 3

    Answer: 2

  14. Q14. The element that is a liquid at room temperature is:

    • A) Hg
    • B) Br2
    • C) Ga
    • D) Cs

    Answer: Br2

  15. Q15. The element that forms a peroxide when heated in air is

    • A) Li
    • B) Na
    • C) K
    • D) Rb

    Answer: Na

  16. Q16. What is the hybridization of NH3?

    • A) sp2
    • B) sp3
    • C) sp
    • D) dsp2

    Answer: sp3

  17. Q17. The noble gas used in lasers is?

    • A) Neon
    • B) Argon
    • C) Krypton
    • D) Xenon

    Answer: Krypton

  18. Q18. The freezing point depression of a 0.1 m solution of glucose is?

    • A) 0.186 K
    • B) 0.372 K
    • C) 0.558 K
    • D) 0.744 K

    Answer: 0.186 K

  19. Q19. For a certain reaction, ΔH = 0 and ΔS = 0.1 kJ/K. At what temperature is ΔG = -10 kJ?

    • A) 100 K
    • B) 1000 K
    • C) 500 K
    • D) 2000 K

    Answer: 100 K

  20. Q20. The reaction of diethyl ether with HCl gives?

    • A) Ethyl chloride
    • B) Ethanol
    • C) Both A and B
    • D) None of the above

    Answer: Both A and B

What are practice Chemistry MCQs for PU CET Lahore (Engineering & CS)?

Practice Chemistry MCQs are mixed practice sets across the full question bank. On Imtehan they are grouped into short sets so you can review one topic at a time before moving to timed mocks.

How many PU CET Lahore (Engineering & CS) Chemistry practice questions can I practise?

Imtehan organises PU CET Lahore (Engineering & CS) Chemistry questions into multiple sets. Start with the sample questions below, then open a set to practise interactively with scoring and explanations.

Is PU CET Lahore (Engineering & CS) Chemistry practice practice free?

Yes - you can practise PU CET Lahore (Engineering & CS) Chemistry MCQs for free on Imtehan. Premium unlocks detailed analytics and unlimited mock attempts.