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: Limewater turns milky in the presence of:
A) Hydrogen
B) Nitrogen
C) Oxygen
D) Carbon dioxide
Q: Acids taste:
A) Sour
B) Bitter
C) Salty
D) Sweet
Q: Litmus paper turns red in the presence of:
A) Base
B) Salt
C) Neutral solution
D) Acid
Q: Ammonia is a:
A) Strong base
B) Strong acid
C) Weak base
D) Weak acid
Q: Isotopes are atoms with the same atomic number but different:
A) Protons
B) Charges
C) Electrons
D) Mass numbers
Q: An example of a diatomic molecule is:
A) CO₂
B) CH₄
C) H₂O
D) H₂
Q: The bond formed by sharing electrons is known as:
A) Metallic
B) Covalent
C) Ionic
D) Van der Waals
Q: NaOH is commonly known as:
A) Vinegar
B) Caustic soda
C) Bleach
D) Baking soda
Q: Elements in the same group have similar:
A) Chemical properties
B) Mass
C) Charges
D) Densities
Q: When iron reacts with oxygen and water, it forms:
A) Rust
B) Copper oxide
C) Iron carbonate
D) Iron sulfate