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CHEMISTRY MCQS 04

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 of these is a fossil fuel? Hydrogen CoalUraniumHeliumB) Coal Coal is a fossil fuel.
The formula of plaster of Paris is: CaCO3CaSO4·½H2O CaSO4Ca(OH)2 B) CaSO4·½H2OThis is plaster of Paris.
Which of these is NOT a greenhouse gas?CO2CH4 O2 N2OC) O2 Oxygen is not a greenhouse gas.
The metal present in hemoglobin is: Zinc IronCopperMagnesium B) Iron Iron binds oxygen in hemoglobin.
The metal present in chlorophyll is: Magnesium Iron Zinc Calcium: A) MagnesiumMagnesium is central in chlorophyll.
Which of these is a noble gas? Hydrogen Neon Nitrogen OxygenB) NeonNeon is a noble gas in Group 18.
Which acid is used in car batteries?Hydrochloric acidNitric acidSulphuric acidPhosphoric acidC) Sulphuric acid Car batteries use sulphuric acid.
The chemical name of table salt is:Sodium hydroxideSodium bicarbonate Sodium chloride Sodium carbonate C) Sodium chlorideTable salt is NaCl.
Which gas is responsible for acid rain?) Nitrogen Oxygen Sulphur dioxide Hydrogen C) Sulphur dioxideSO2 forms acid rain after reacting with water.
Which of these is used in water purification? Potassium permanganate Sodium chlorideCopper sulphateZinc chlorideA) Potassium permanganateKMnO4 is used as a disinfectant.
Which of these is NOT an alkali metal? SodiumPotassiumCalciumLithiumC) Calcium Calcium is an alkaline earth metal, not alkali.
What is the common name of CaO?LimewaterQuicklimeSlaked lime Limestone B) QuicklimeCaO is called quicklime.
Which of these gases is the heaviest? OxygenHydrogenCarbon dioxide Nitrogen C) Carbon dioxide CO2 is heavier than air.
What is the color of iodine?YellowBlack Purple Green C) Purple Iodine vapors are purple.
Which metal is used for galvanization?CopperZincAluminum IronB) Zinc Zinc coats iron to prevent rusting.
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