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WAEC Chemistry AI Practice

Train with AI-generated exam-style questions. Get instant explanations and coaching on every weak area.

Note: Diagram-based questions are coming soon. WAEC Biology Paper includes ~5 diagram questions.

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Question 251

Which acid is classified as a strong acid?
Acids, bases, saltsAcids and baseseasy

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Question 252

Which statement correctly describes an electrolytic cell?
ElectrochemistryElectrochemistryhard

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Question 253

Which general formula represents an addition polymer formed from an alkene monomer?
Polymer chemistryPolymer chemistryhard

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Question 254

Which property is characteristic of a solid but not of a liquid?
Structure and properties of matterStructure and properties of mattereasy

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Question 255

In a chemical reaction, the rate can be increased by:
Rates of reactions (kinetics)Rates of reactionsmedium

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Question 256

In the equilibrium reaction N₂ + 3H₂ ⇌ 2NH₃, what happens if the pressure is increased?
EquilibriumEquilibriummedium

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Question 257

In calculating the empirical formula, which information is essential?
Calculation chemistry (stoichiometry)Calculation chemistrymedium

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Question 258

Which quantum number determines the shape of an electron's orbital?
Atomic structure and quantum numbersAtomic Structure and Quantum Numberseasy

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Question 259

Which property of metals explains their ability to be drawn into wires?
Structure and properties of matterProperties of Mattereasy

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Question 260

In the equilibrium reaction N2 + 3H2 ⇌ 2NH3, what effect does increasing the pressure have?
EquilibriumChemical Equilibriummedium

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