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: Electrons orbit the nucleus and carry what type of charge?
A) Negative
B) Neutral
C) No charge
D) Positive
Q: Carbon belongs to which group in the periodic table?
A) Group 14
B) Group 1
C) Group 2
D) Group 18
Q: Metals typically react with acids to produce which gas?
A) Oxygen
B) Hydrogen
C) Chlorine
D) Carbon dioxide
Q: The formula H₂O stands for how many atoms?
A) 1
B) 3
C) 4
D) 2
Q: A substance with a pH of 2 is considered to be:
A) Strong acid
B) Neutral
C) Weak acid
D) Weak base
Q: The backbone of all organic molecules is made of:
A) Nitrogen
B) Oxygen
C) Sulfur
D) Carbon
Q: Table salt is a combination of sodium and:
A) Magnesium
B) Phosphorus
C) Chlorine
D) Fluorine
Q: Potassium is part of which group on the periodic table?
A) Alkali metals
B) Noble gases
C) Halogens
D) Transition metals
Q: Inert gases belong to which group?
A) Group 17
B) Group 2
C) Group 1
D) Group 18
Q: How many protons are found in an oxygen atom?
A) 8
B) 12
C) 10
D) 6