Chemistry JAMB Quizzes
Explore JAMB Chemistry past questions and answers on AKPQuiz. Improve your understanding of chemical concepts, reactions, and problem-solving for exams.
All Chemistry Quizzes
JAMB Chemistry CBT: Blast Furnace, Ammonium Ions & Oxidation States
Evaluate your chemical knowledge with this advanced practice set. This quiz covers the reduction of potassium dichromate (K₂Cr₂O₇) and the resulting orange-to-green color change. Explore the structural chemistry of the ammonium ion (NH₄⁺) and its dative covalent bond, as well as the fundamental differences between aldehydes and ketones. Test your understanding of chemical equilibrium with large Kc values and calculations involving the Ideal Gas Law ($n = PV/RT$). We also analyze the industrial extraction of iron in the blast furnace, focusing on carbon monoxide as a reducing agent, the thermal decomposition of ammonium trioxonitrate (V), and the determination of the maximum oxidation state of chlorine (+$7$) in perchloric acid ($HClO₄$).
Chemistry Quiz: Electronic Configurations, Hybridization & Gas Laws
Test your understanding of molecular structure and chemical behavior with this practice set. This quiz covers the number of non-bonding electrons (lone pairs) in an ammonia (NH₃) molecule and the electronic configuration of the Sodium ion (Na⁺). Explore advanced concepts like sp³ hybridization in methane (CH₄), the constituents of the magnetic alloy Permalloy, and the conditions favoring maximum yield in equilibrium reactions. Challenge your math skills with empirical formula calculations for compounds containing Carbon, Hydrogen, and Oxygen. Additionally, review the kinetic molecular theory of gases (perfectly elastic collisions), the reactivity series of halogens, and the identification of neutral nitrogen oxides like N₂O and NO.
JAMB 2025 Chemistry Past Questions: Gas Laws, Acids, Organic & Environmental Chemistry
Practice JAMB 2025 Chemistry past questions covering gas laws, pH calculations, organic chemistry, environmental pollution, hydrocarbons, and chemical reactions. Ideal for UTME CBT practice and quick revision.
Chemistry Practice: Organic Isomers, Gas Laws & Hybridization
Test your mastery of advanced chemical concepts with this targeted practice set. This quiz covers the polymerization of latex (isoprene units) and the allotropic transformation of sulphur when cooled below its transition temperature. Explore organic reaction types, such as the substitution reaction of chloroform with chlorine, and the sp² hybridization of carbon in ethene. Challenge your mathematical skills with the Ideal Gas Law formula ($n = PV/RT$) and identify the structural isomers of butane (C₄H₁₀). Additionally, we review industrial applications including solid-gas mixtures (aerosols/smoke), the use of zinc sulphide in fluorescent coatings, and the classification of secondary and tertiary alcohols based on hydroxyl group positioning.
JAMB Chemistry CBT, Graphite Conductivity, Ozone Depletion & Degeneracy
Challenge your mastery of physical and organic chemistry with this practice set. This quiz covers IUPAC nomenclature for complex haloalkanes and the derivation of the general gas equation ($PV = nRT$) from Boyle’s, Charles’, and Avogadro’s laws. Explore quantum and atomic concepts like zero fold degeneracy and the electrical conductivity of graphite due to delocalized electrons. We also dive into industrial and environmental topics, including the purification of solids through recrystallization, the separation of ethanol and water via fractional distillation, and the role of CFCs (chlorofluorocarbons) in ozone layer depletion. Finally, test your understanding of kinetics with activation energy ($Eₐ$) and the significance of large equilibrium constants (Kc) in chemical reactions.
JAMB Chemistry CBT, Alloys, Oxidation States, and Melting Points
Enhance your chemistry revision with this practice quiz covering a wide range of analytical and physical topics. Test your knowledge of alloy compositions (Brass/Copper) and the giant covalent structure of diamond. This set includes technical questions on sodium hydroxide (NaOH) deliquescence, the effect of impurities on melting points, and the purity determination of NaCl. Challenge your calculation skills with gas stoichiometry (unused gas after H₂ and O₂ reaction), the maximum oxidation state of chlorine in oxoacids, and the pOH calculation for 0.001M H₂SO₄. Finally, dive into organic chemistry by identifying tertiary alkanol isomers of C₄H₉OH and the reaction of calcium with water.
JAMB Chemistry Practice Quiz: Alkanols, Gases, Electrochemistry & Equilibrium
Practice JAMB Chemistry questions on alkanols, salts and hydrolysis, gases, electroplating, chemical equilibrium, separation techniques, and hybridization. This free CBT-style quiz is strictly designed for JAMB exam preparation.
JAMB Chemistry Practice Quiz: Gas Preparation, Organic Chemistry & Atomic Structure
Practice JAMB Chemistry questions covering laboratory gas preparation, organic reactions, detergents, atomic structure, ionization energy, oxides, mixtures, and ores. This free CBT-style quiz is designed strictly for JAMB exam preparation.
Chemistry Practice: Isomers, Gas Drying Agents & Hybridization
Test your chemical knowledge with this targeted practice set. This quiz covers structural isomerism in alkanes (butane, $C_4H_{10}$) and alkenes (but-1-ene), alongside the sp³ hybridization of carbon in methane. Explore inorganic chemistry through the classification of neutral nitrogen oxides (like $N_2O$ and $NO$) and the selection of appropriate drying agents for Hydrogen gas, such as anhydrous calcium chloride or silica gel. We also analyze the specific conditions affecting the equilibrium constant (Kc), the use of soft iron for screening magnetic fields, and the unique properties of chlorine compounds that function as both oxidizing and reducing agents (disproportionation).
JAMB 2025 Chemistry Past Questions: Gas Laws, Periodic Trends & Environmental Chemistry
Practice JAMB 2025 Chemistry questions on gas laws, mole calculations, periodic trends, colligative properties, environmental chemistry, and chemical reactions. Perfect for UTME CBT practice and fast revision.
Chemistry Practice: Reaction Rates, Entropy & Organic Naming
Master the core principles of physical and industrial chemistry with this comprehensive practice set. This quiz covers the order of increasing entropy across states of matter and the industrial extraction of aluminium, specifically focusing on the graphite anode and its oxidation reaction. Explore the chemistry of water, including the salts responsible for temporary hardness, and test your IUPAC nomenclature with compounds like Propane-1,3-diol ($HOCH₂CH₂CH₂OH$). We also review the greenhouse effect, the mechanism by which a catalyst lowers activation energy, and the distinction between chemical and physical changes. Finally, sharpen your understanding of deliquescent substances like silica gel, the relationship between empirical and molecular formulae, and how the rate of reaction is expressed in terms of concentration and time.
JAMB Chemistry CBT: Chemical Bonding, Hydrated Salts, and Organic Synthesis
Test your chemistry expertise with this practice set covering essential inorganic and organic concepts. This quiz includes stoichiometric calculations for the volume of CO₂ produced at s.t.p. during the thermal decomposition of sodium hydrogen trioxocarbonate (IV). Explore the physical properties of salts, specifically the phenomenon of efflorescence where hydrated salts become anhydrous. We also cover chemical bonding, including electron transfer and the dative (coordinate) bond in the hydroxonium ion (H₃O⁺). Review industrial and laboratory reactions such as the thermal decomposition of potassium nitrate (KNO₃), the decolourisation of acidified KMnO₄, and methods to synthesize alkanols from alkenes. Finally, master naming conventions with the IUPAC name of C₆H₅OH.
Chemistry Practice: Thermochemistry, Gas Laws, and Equilibrium
Master the principles of physical and industrial chemistry with this targeted practice quiz. This set focuses on thermochemical calculations, including finding the heat of combustion of ethanol using the formula Q = mcΔT. Explore gas behavior through Boyle's Law (the relationship between Pressure and Volume) and the industrial use of Duralumin, an aluminium alloy, in aircraft construction. Test your understanding of chemical equilibrium and Le Chatelier’s Principle for exothermic reactions (ΔH = -ve), as well as the test for water using anhydrous Cobalt (II) chloride. Finally, review safety and environmental topics such as the limitations of hydrogen-filled balloons, the purification of ethene, the reactivity series of metals, and the effects of oxide pollutants on the respiratory system.
JAMB 2025 Chemistry Past Questions: Chemical Equilibrium, Redox & Organic Chemistry
Practice JAMB 2025 Chemistry questions on chemical equilibrium, reaction rates, redox reactions, electrochemistry, gas behavior, and organic chemistry. Ideal for UTME CBT practice and exam revision.
Chemistry Practice: Molar Calculations, Hydrocarbons & Oxidation
Sharpen your chemistry skills with this focused practice set. This quiz covers critical molar concentration calculations (finding moles in 200 cm³ of HCl) and molecular formula determination based on empirical formulas (CH₂O) and molar mass (180 g/mol). Test your knowledge of organic reactions, including the oxidation of ethanol to ethanoic acid, the hydrogenation of benzene, and the burning of methane in excess air. Additionally, review key laboratory concepts like acid–base indicator colors (phenolphthalein in acid), the functional differences between aldehydes and ketones, and the composition of rust on metal surfaces.
Chemistry Practice: Solubility Calculations, Electrolysis & Gas Volumes
Enhance your exam preparation with this focused chemistry practice set. This quiz covers solubility calculations, specifically determining the solubility of Pb(NO₃)₂ in g/dm³. Explore gas stoichiometry by calculating the volume of unreacted oxygen when hydrogen is sparked with excess oxygen. Test your knowledge on electrolysis of dilute H₂SO₄, the identification of gases produced at the anode, and the position of metals in the electrochemical series. We also dive into organic chemistry, covering the fermentation process (converting starch to ethanol), the decolorization of bromine water and acidified KMnO₄ by unsaturated hydrocarbons, and the identification of metals that react with steam. Finally, review exothermic processes and chlorine compounds that act as both oxidizing and reducing agents.
Chemistry Practice: Equilibrium, Faraday's Law, and Organic Isomers
Test your chemical logic and laboratory knowledge with this comprehensive practice set. This quiz explores the reaction between water and chlorine and the resulting acidic solution. Dive into physical chemistry with questions on salt preparation methods, the impact of temperature on endothermic equilibrium, and the intermolecular forces (Hydrogen bonding) dominant in ethanol. Challenge your quantitative skills by calculating the Coulombs of electricity required to deposit 6.11g of Silver ($Ag$). Additionally, we cover organic chemistry topics including isomers of C₂H₄Br₂, the chemical distinction between oils and fats, factors affecting the solubility of solids, and the characteristic color change of Potassium dichromate (K₂Cr₂O₇) in redox reactions.
Chemistry CBT, Electroplating, Ammonium Ion Bonding, and Antifreeze
Master complex chemical calculations and bonding theories with this practice quiz. This set focuses on Faraday's Law of Electrolysis (calculating the mass of Aluminium deposited by a 15A current) and Graham's Law of Diffusion (comparing diffusion times for SO₂ and H₂S). Explore the nature of chemical bonds, including dative (coordinate) covalent bonding in the ammonium ion (NH₄⁺) and electrovalent bonding in hydrated Copper (II) ions. Test your knowledge of industrial and organic chemistry, covering the use of Ethane-1,2-diol (Ethylene Glycol) as antifreeze, the reaction of ethanol with Phosphorous (V) chloride (PCl₅), and the hydration of alkenes to form alkanols. Finally, review gas behavior under high pressure and the use of starch iodide paper to detect Chlorine gas.
JAMB 2025 Chemistry Past Questions (Full Practice Test – All Topics)
Attempt a full JAMB 2025 Chemistry past questions practice test covering all topics, including gas laws, equilibrium, organic chemistry, thermochemistry, electrochemistry, and environmental chemistry. Ideal for UTME CBT exam simulation and final revision.
JAMB Chemistry CBT: Separation of Alum, Petrochemicals, and Alkanols
Challenge your mastery of inorganic and organic chemistry with this comprehensive practice set. This quiz covers separation techniques for purifying a mixture of alum and sand, the identification of trihydric alkanols, and isomers of but-1-ene. Test your ability to perform electrolysis calculations (calculating current in amperes to deposit 2.7g of Al). We also explore industrial chemistry topics including alloys of iron (Permalloy, Steel, Alnico), petroleum fractions for heating furnaces, and the properties of butane and propane in cooking gas. Finally, review essential laboratory tests like the brown ring test for nitrates, the formula for laughing gas (N₂O), and the location of the reducing agent in an electrochemical cell.
Chemistry Practice: Homologous Series, Redox Reactions & Electrolysis
Evaluate your understanding of fundamental and applied chemistry with this practice set. This quiz covers the characteristics of a homologous series, including the relative molecular mass difference between successive members (CH₂). Explore the industrial chemistry of water purification using charcoal filter beds and the polymer structure of natural rubber (isoprene units). Test your knowledge on redox reactions, the kinetic theory explaining why gases expand when heated, and the composition of rain water as a mixture. Additionally, review environmental topics like natural air pollutants, the anode half-cell reaction for the electrolysis of ZnCl₂, the electronic configuration of Nitrogen, and the physical process of diffusion in solids (Gold and Silver bar interaction).