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Chemistry NMDCAT MCQs

Ace your medical entry test with Pakistan's premium collection of Chemistry MCQs. Strictly aligned with the latest PMDC syllabus, our platform offers high-yield practice questions for Physical, Inorganic, and Organic Chemistry—complete with detailed conceptual explanations to maximize your score.

305 questions found

Subcategories

📁 Absolute Zero 0 📁 Acidity of Alkynes 0 📁 Adhesive 0 📁 ALCOHOLS AND PHENOLS 0 📁 Alcohols and Phenols (Differentiation) 0 📁 ALDEHYDES & KETONES 0 📁 ALKYL HALIDES 0 📁 Anomalous behavior of Water 0 📁 Application of Dipole Movement 0 📁 Application of VSEPR Theory 0 📁 ATONTIC STRUCTURE 0 📁 Balancing Chemical Reaction 0 📁 Boiling point and Vapor Pressure 0 📁 Bond Energy 0 📁 Boyle's Law 0 📁 Buffer Solution 0 📁 CARBOXYLIC ACIDS 0 📁 Charles's Law 0 📁 CHEMICAL BONDING 0 📁 Chemical Equilibrium 0 📁 Chemical Kinetics 0 📁 Chemical Reactions of Benzenes 0 📁 Chemical Reactions/Reactivity 0 📁 Chemistry MCQS By Iqbal Hussain 0 📁 CHETVI ICAL EQUI LIBIRIUM 0 📁 Classification of Proteins 0 📁 Common Ion Effect 0 📁 Conversion of Carboxylic Acid 0 📁 Crystal lattice 0 📁 Crystalline Solids 0 📁 D- & F Block Elements 0 📁 Definition and Classification of Organic Compound 0 📁 Different Terms Used 0 📁 Dipole Movement 0 📁 Discovery of Proton 0 📁 Dyes 0 📁 Effect of Substituents 0 📁 ELECTROCHEVIISTRY 0 📁 Electronic Configuration 0 📁 Electronic Structure 0 📁 Enthalpy 0 📁 Enzymes as Biocatalyst 0 📁 Evaporation 0 📁 Exothermic and Endothermic Reaction 0 📁 Factors affecting rate of reaction 0 📁 Factors Affecting the Shape of Ionic Crystals 0 📁 Free Radical Mechanism 0 📁 Functional Group 0 📁 FUNDAMENTAL CONCEPTS OF CHEMISTRY 0 📁 FUNDAMENTAL PRICIPLES OF ORGANIC CHEMISTRY 0 📁 Haber’s Process 0 📁 Hess’s Law 0 📁 Hybridization 0 📁 Hydrogen Bonding 0 📁 Ideal Gas Equation 0 📁 Importance of Proteins 0 📁 INDUSTRIAL CHEMISTRY 0 📁 Internal Energies 0 📁 Ionic and Molecular Crystals 0 📁 Isomerism 0 📁 IUPAC System of Alkynes 0 📁 Kinetic Molecular Theory 0 📁 Lattice Energy 0 📁 Law of Thermodynamics 0 📁 Le Chatelier's principle 0 📁 Limiting and Excess Reactants 74 📁 LIQUIDS 0 📁 Macro Molecules 0 📁 Moles and Avogadro's Numbers 150 📁 Moles and Avogadro’s Numbers 120 📁 MOT of Benzene Resonance and Resonance Energy 0 📁 Nomenclature 0 📁 Nomenclature and structure of Aldehydes and Ketones 0 📁 Nomenclature of Alkanes 0 📁 Nomenclature of Alkenes 0 📁 Nomenclature Structure and Reactivity 0 📁 Order of Reaction 0 📁 Oxidation and Reduction 0 📁 P- 0 📁 Planck's Quantum Theory 0 📁 Polymers 0 📁 Preparation 0 📁 Preparation of Alkanes 0 📁 Preparation of Alkynes 0 📁 Properties Of Liquids based on Kinetic Molecular Theory 0 📁 Quantum Number 0 📁 Rate Constant 0 📁 Reaction of Aldehydes and Ketones 0 📁 Reaction of Group I elements 0 📁 Reaction of Group II elements 0 📁 Reaction of Group IV elements 0 📁 Reactions of Alkynes 0 📁 Reactivity of Aldehydes and Ketones 0 📁 Reactivity of Benzene 0 📁 Real and Ideal Gas 0 📁 Redox Reaction 0 📁 S AND P BLOCK ELEMNETS 0 📁 S- 0 📁 s- and p- Block Elements Properties and their Trends 0 📁 Shapes of Alkenes 0 📁 Shapes of orbitals 0 📁 Sigma and Pi Bond 0 📁 SOLIDS 0 📁 Solubility Products 0 📁 Spectrum of Hydrogen 0 📁 Standard Hydrogen Electrode (SHE) 0 📁 Standard Temperature and Pressure (STP) 0 📁 Structure and Preparation of Carboxylic Acid 0 📁 structure and reactivity of Alcohol 0 📁 Structure and Reactivity of Alkenes 0 📁 structure and reactivity of Phenols 0 📁 Substitution vs Addition 0 📁 Substitution vs Elimination 0 📁 THERMOCHEMISTRY & ENERGETICS OF CHEMICAL REACTIONS 0 📁 Thermodynamics 0 📁 Unit of "R" 0 📁 Unit of “R” 0 📁 VSEPR Theory 0 📁 Yield 80

Practice Questions

During the formation of water, 2H₂ + O₂ → 2H₂O, producing 5 moles of water requires

A. 2.5 moles H₂
B. 10 moles H₂
C. 5 moles H₂
D. 7.5 moles H₂

Hydrogen and water have a 1:1 mole relationship in the balanced equation.

nmdcat.online Chemistry NMDCAT MCQs
Jul 2, 2026

Half a mole of sodium sulfate produces sodium ions equal to

A. 0.5 mole
B. 1 mole
C. 1.5 moles
D. 2 moles

Na₂SO₄ contains two sodium ions per formula unit. Therefore, 0.5 mole gives one mole of Na⁺ ions.

nmdcat.online Chemistry NMDCAT MCQs
Jul 2, 2026

One mole of calcium chloride contains a total number of ions equal to

A. 6.022 × 10²³
B. 1.204 × 10²⁴
C. 1.806 × 10²⁴
D. 3.011 × 10²³

Each formula unit contains three ions. Therefore, one mole contains three times Avogadro's number of ions.

nmdcat.online Chemistry NMDCAT MCQs
Jul 2, 2026

Hydrogen is the limiting reactant because 9 moles are required. Six moles of hydrogen produce four moles of ammonia.

nmdcat.online Chemistry NMDCAT MCQs
Jul 2, 2026

In the reduction of Fe₂O₃ by carbon monoxide, one mole of Fe₂O₃ produces

A. 55.85 g Fe
B. 111.7 g Fe
C. 167.55 g Fe
D. 223.4 g Fe

One mole of Fe₂O₃ produces two moles of iron. Two × 55.85 g equals 111.7 g.

nmdcat.online Chemistry NMDCAT MCQs
Jul 2, 2026

In a balanced chemical equation, stoichiometric coefficients represent

A. Atomic masses
B. Relative number of moles
C. Molecular masses
D. Reaction rate

Stoichiometric coefficients indicate mole relationships among reactants and products.

nmdcat.online Chemistry NMDCAT MCQs
Jul 2, 2026

One mole of oxygen gas and one mole of ozone possess

A. Equal masses
B. Equal atoms
C. Equal molecules
D. Equal densities

Every mole contains the same number of molecules, although the number of atoms differs.

nmdcat.online Chemistry NMDCAT MCQs
Jul 2, 2026

During the reaction 2Al + 3Cl₂ → 2AlCl₃, complete reaction of 5 moles of aluminium requires

A. 5 moles Cl₂
B. 3 moles Cl₂
C. 7.5 moles Cl₂
D. 10 moles Cl₂

The mole ratio Al:Cl₂ is 2:3. Therefore, 5 moles of aluminium require 7.5 moles of chlorine.

nmdcat.online Chemistry NMDCAT MCQs
Jul 2, 2026

Two moles of sucrose (C₁₂H₂₂O₁₁) contain carbon atoms equal to

A. 12 moles
B. 18 moles
C. 24 moles
D. 36 moles

Each mole of sucrose contains 12 moles of carbon atoms. Therefore, two moles contain 24 moles.

nmdcat.online Chemistry NMDCAT MCQs
Jul 2, 2026

The balanced equation of a reaction is essential because it provides

A. Activation energy
B. Mole ratios
C. Temperature
D. Pressure

Stoichiometric calculations depend entirely upon balanced mole ratios.

nmdcat.online Chemistry NMDCAT MCQs
Jul 2, 2026

The balanced equation shows that 1 mole of nitrogen reacts with 3 moles of hydrogen, giving a mole ratio of 1:3.

nmdcat.online Chemistry NMDCAT MCQs
Jul 2, 2026

One mole of propane requires 5 moles of oxygen. Therefore, 2 moles require 10 moles of oxygen.

nmdcat.online Chemistry NMDCAT MCQs
Jul 2, 2026

Under standard conditions, one mole of an ideal gas contains

A. Atomic mass of the gas
B. Avogadro's number of molecules
C. Molecular mass
D. One gram of particles

Every mole contains 6.022 × 10²³ particles regardless of the substance.

nmdcat.online Chemistry NMDCAT MCQs
Jul 2, 2026

The mass of one atom is calculated by dividing the molar mass by

A. Atomic number
B. Number of neutrons
C. Avogadro's number
D. Density

Since one mole contains Avogadro's number of atoms, dividing the molar mass by this constant gives the mass of one atom.

nmdcat.online Chemistry NMDCAT MCQs
Jul 2, 2026

Six moles of water are formed from four moles of ammonia. The ratio simplifies to 3:2.

nmdcat.online Chemistry NMDCAT MCQs
Jul 2, 2026
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