Chemistry MCQs
Our Chemistry MCQs section is tailored for students and job seekers aiming for excellence in academic and competitive exams. It includes a vast selection of multiple-choice questions covering organic chemistry, inorganic chemistry, analytical chemistry, physical chemistry, and biochemistry. These MCQs are suitable for FSc, BSc, pre-medical, and pre-engineering students, as well as CSS, PMS, NTS, and other competitive exams in Pakistan. Designed by subject experts, the questions help reinforce key concepts, test analytical skills, and improve speed and accuracy. Each topic includes beginner to advanced-level questions with a focus on the latest syllabus and past papers. If you are preparing for university entry tests or government job recruitment exams, this resource offers an excellent opportunity to master chemistry topics effectively.
Q: The gas used in the Haber process is:
A) Oxygen
B) Ammonia
C) Hydrogen
D) Methane
Q: The periodic table was developed by:
A) Newton
B) Curie
C) Einstein
D) Mendeleev
Q: When two atoms share a pair of electrons, the bond formed is:
A) Hydrogen
B) Ionic
C) Covalent
D) Metallic
Q: Atomic mass is measured in:
A) Atomic mass units
B) Moles
C) Joules
D) Grams
Q: Boiling point of water at sea level is:
A) 100°C
B) 125°C
C) 75°C
D) 50°C
Q: Hydrochloric acid reacts with sodium hydroxide to form:
A) Salt only
B) Gas
C) Salt and water
D) Water only
Q: Which of these is a greenhouse gas?
A) Helium
B) Carbon dioxide
C) Argon
D) Oxygen
Q: Most reactive non-metal element is:
A) Oxygen
B) Sulfur
C) Chlorine
D) Fluorine
Q: Metalloids show properties of:
A) Non-metals
B) Metals
C) Both
D) None
Q: The number of neutrons in an atom is found by:
A) Atomic number – protons
B) Mass number – atomic number
C) Atomic number + electrons
D) Protons – electrons