CHEMISTRY MCQS 03

Chemistry MCQs are a key component of every scientific and competitive exam. This subject bridges theory with real-world applications—helping students understand the behavior of matter, energy transformations, reactions, and compounds. Whether you’re revising for an entry test or brushing up on general science, these multiple-choice questions provide structured, concept-based practice.

Our carefully crafted set includes questions from general, physical, organic, and inorganic chemistry. Each MCQ is designed to reinforce conceptual clarity, test analytical thinking, and improve problem-solving speed. By practicing regularly, you not only memorize formulas but also learn to apply chemical logic — a crucial skill in competitive exams and research-based learning.

Why Choose Us

Exam-Oriented Coverage: Includes frequently asked questions from PPSC, FPSC, and NTS.
Balanced Difficulty: From fundamental definitions to complex reaction mechanisms.
Updated Content: Based on the latest syllabi and scientific advancements.
Smart Revision Format: MCQs organized topic-wise for efficient learning.
Reliable Source: Prepared by subject experts for accuracy and exam relevance.

FAQs

Q1. What topics are included in Chemistry MCQs?
Atomic structure, bonding, acids and bases, periodic trends, organic chemistry, and thermodynamics.

Q2. Are these MCQs suitable for MDCAT or ECAT?
Yes, the questions are aligned with entry and competitive test standards.

Q3. Do the MCQs include answers?
Yes, each question includes an accurate answer for self-assessment.

Conclusion

Mastering Chemistry requires consistent practice and conceptual understanding. These MCQs make revision engaging and effective — ensuring students grasp theoretical principles and their practical implications. With this comprehensive set, you’ll be ready for any chemistry-related exam, quiz, or interview with confidence.

Atomic mass of hydrogen is:12 3 4 A) 1: Hydrogen’s atomic mass is 1.

Which of these is a base?HClNaOHH2SO4CH3COOH B) NaOH Sodium hydroxide (NaOH) is a strong base.

Which of these metals is most malleable? ZincGold Iron Lead B) Gold Gold is highly malleable and ductile.

Which of these elements is non-metal?IronCopperSulphurSilver C) Sulphur Sulphur is a non-metal.

Which gas is essential for respiration?Oxygen Hydrogen Nitrogen HeliumA) Oxygen Oxygen is needed for cellular respiration.

The formula of methane is:CH4 C2H6C2H4C3H8A) CH4Methane’s formula is CH4.

The process of solid changing directly into gas is:Condensation Sublimation EvaporationMelting B) Sublimation Sublimation is solid → gas directly.

Which of these is an alloy? Brass Iron Silver GoldA) Brass Brass is an alloy of copper and zinc.

Which is known as the universal solvent? Alcohol WaterAcetone EtherB) Water Water can dissolve many substances.

Chemical formula of baking soda is:Na2CO3NaHCO3CaCO3 NaOH B) NaHCO3 Baking soda is sodium bicarbonate.

Which process converts sugar to alcohol?Distillation Fermentation) Filtration SublimationB) Fermentation Fermentation converts sugar to alcohol

The atomic number of helium is:1 2 34 B) 2 Helium has 2 protons.

The green coating on copper is: Copper oxide Copper sulphide Copper carbonate Copper nitrateC) Copper carbonate It forms due to exposure to air and moisture.

Which gas is used for artificial ripening of fruits? Acetylene Ethylene Methane Propane B) Ethylene Ethylene accelerates ripening.

The lightest metal is: AluminumLithiumSodiumMagnesiumB) Lithium Lithium is the lightest metal.

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