CHEMISTRY MCQS 02

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.

Which metal is most reactive?GoldSilverPotassiumCopperC) PotassiumPotassium is highly reactive, especially with water.

Which acid is produced in the stomach? Sulphuric acid Hydrochloric acid Nitric acidAcetic acidB) Hydrochloric acid HCl aids digestion in the stomach.

What is the lightest gas?OxygenHeliumHydrogenNitrogenC) Hydrogen Hydrogen is the lightest element and gas.

Which of the following is a halogen?Chlorine) Calcium Copper Carbon A) ChlorineChlorine is a halogen found in Group 17.

What is the formula of sulphuric acid?HCl H2SO4 HNO3CH3COOH B) H2SO4 Sulphuric acid has the formula H2SO4.

. What is the formula of ammonia? NH3 HNO3NaOHCO2A) NH3: Ammonia has the formula NH3.

Which gas is known as laughing gas? CO2 NO2N2OSO2 C) N2O Nitrous oxide (N2O) is called laughing gas.

Which metal is used to make thermometers?CopperZinc Mercury SilverC) MercuryMercury is liquid and used in thermometers.

Which metal is liquid at room temperature? Gallium Sodium Mercury Aluminum C) Mercury Mercury is a liquid metal at room temperature.

The nucleus of an atom contains:ElectronsProtons and neutronsOnly protons Only neutrons B) Protons and neutrons The nucleus is made of protons and neutrons.

Rust is chemically known as: Iron chloride Iron sulphide Iron oxide Iron nitrateC) Iron oxide Rust is iron oxide formed by iron reacting with oxygen and water.

The atomic number of oxygen is:6 7 810 C) 8 Oxygen has 8 protons.

The most abundant gas in Earth’s atmosphere is:Oxygen NitrogenCarbon dioxide ArgonB) Nitrogen Nitrogen makes up about 78% of Earth's atmosphere.

Which is the hardest natural substance?Diamond Iron QuartzGraphite A) Diamond Diamond is the hardest known natural material.

The metal used in making aircrafts is:IronCopperAluminum Zinc C) Aluminum Aluminum is lightweight and used in aircraft.

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