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Chemistry

Practice the latest Chemistry MCQs with answers and explanations to prepare for exams and job tests. Our collection covers key topics such as atomic structure, periodic table, chemical bonding, organic chemistry, inorganic chemistry, physical chemistry, and environmental chemistry. These Chemistry multiple-choice questions are designed for students, competitive exam aspirants, and professionals appearing in NTS, PPSC, FPSC, CSS, PMS, university entry tests, and medical admission tests. Improve your concepts and problem-solving skills with our updated and comprehensive Chemistry MCQs online.

📘 Alcohols Phenols and Ethers MCQs
📘 Aldehydes and Ketones MCQs
📘 Aliphatic Hydrocarbons MCQs
📘 Alkyl Halides MCQs
📘 Aromatic Hydrocarbons MCQs
📘 Atomic Structure MCQs
📘 Basic Concept MCQs
📘 Carboxylic Acids MCQs
📘 Chemical Bonding MCQs
📘 Chemical Equilibrium MCQs
📘 Chemical Kinetics MCQs
📘 Chemistry Diagnostic Test MCQs
📘 Common Chemical Industries MCQs
📘 Electrochemistry MCQs
📘 Environmental Chemistry MCQs
📘 Experimental Techniques MCQs
📘 Gases MCQs
📘 Group 3A and 4A Elements MCQs
📘 Group 5A and 6A Elements MCQs
📘 Liquids and Solids MCQs
📘 Macromolecules MCQs
📘 Organic Chemistry MCQs
📘 Periodic Classification Of Elements MCQs
📘 S-Block Elements MCQs
📘 Solutions MCQs
📘 The Halogens and The Noble Gases MCQs
📘 ThermoChemistry MCQs
📘 Transition Elements MCQs

221. Which statement is correct

September 17, 2025 by Admin
A. PVmT
B. PCT
C. PMdT
D. All above
✅ The correct answer is option D.
Categories Chemistry, Gases MCQs Tags Chemistry MCQs, Gases MCQs Leave a comment

222. Vander Waals forces are stronger in

September 17, 2025 by Admin
A. F2
B. Cl2
C. Br2
D. I2
✅ The correct answer is option D.
Categories Chemistry, The Halogens and The Noble Gases MCQs Tags Chemistry MCQs, The Halogens and The Noble Gases MCQs Leave a comment

223. The ionization energy

September 17, 2025 by Admin
A. Generally increases from left to right in a period
B. Does not change in a period
C. Increase from top to bottom in a group
D. Does not change in a group
✅ The correct answer is option A.
Categories Chemical Bonding MCQs, Chemistry Tags Chemical Bonding MCQs, Chemistry MCQs Leave a comment

224. Under what conditions the gases deviate from the ideal behaviour?

September 17, 2025 by Admin
A. High-temperature
B. Low temperature
C. High-pressure
D. B and C
✅ The correct answer is option D.
Categories Chemistry, Gases MCQs Tags Chemistry MCQs, Gases MCQs Leave a comment

225. The most powerful oxidizing agent among the halogens is

September 17, 2025 by Admin
A. F2
B. Cl2
C. Br2
D. I2
✅ The correct answer is option A.
Categories Chemistry, The Halogens and The Noble Gases MCQs Tags Chemistry MCQs, The Halogens and The Noble Gases MCQs Leave a comment

226. Which of the following will have the highest value of electron affinity

September 17, 2025 by Admin
A. F
B. Cl
C. Br
D. I
✅ The correct answer is option B.
Categories Chemical Bonding MCQs, Chemistry Tags Chemical Bonding MCQs, Chemistry MCQs Leave a comment

227. Which one has the lowest density at room temperature?

September 17, 2025 by Admin
A. Ne
B. N2
C. NH3
D. CO
✅ The correct answer is option C.
Categories Chemistry, Gases MCQs Tags Chemistry MCQs, Gases MCQs Leave a comment

228. Which of the following statements is incorrect about fluorine

September 17, 2025 by Admin
A. Fluorine is restricted to -1 oxidation state
B. Fluorine follows octet rule and as well as extended octet rule
C. Fluorine has the lowest dissociation energy among the halogens
D. Both B and C
✅ The correct answer is option D.
Categories Chemistry, The Halogens and The Noble Gases MCQs Tags Chemistry MCQs, The Halogens and The Noble Gases MCQs Leave a comment

229. Which type of bond is formed by an overlap of p orbitals

September 17, 2025 by Admin
A. Pi (Ï€)
B. Sigma(Σ)
C. Both
D. Neither
✅ The correct answer is option C.
Categories Chemical Bonding MCQs, Chemistry Tags Chemical Bonding MCQs, Chemistry MCQs Leave a comment

230. The introduction of the Kelvin scale in thermometry is according to

September 17, 2025 by Admin
A. Boyles law
B. Charles law
C. Daltons law
D. Grahams law
✅ The correct answer is option B.
Categories Chemistry, Gases MCQs Tags Chemistry MCQs, Gases MCQs Leave a comment
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