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WAEC Chemistry AI Practice

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

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Question 261

What is the main monomer unit of the polymer Polyethylene?
Polymer chemistryPolymer Chemistrymedium

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Question 262

Calculate the number of moles in 44g of CO2 (Molar mass C=12, O=16).
Calculation chemistry (stoichiometry)Stoichiometryeasy

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Question 263

Which of the following substances is most likely to have a high melting point due to strong intermolecular forces?
Structure and properties of matterStructure and properties of mattermedium

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Question 264

In a reaction where the concentration of reactants is doubled and the rate quadruples, what is the order of the reaction with respect to that reactant?
Rates of reactions (kinetics)Rates of reactions (kinetics)medium

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Question 265

At equilibrium, which of the following statements is true about the forward and reverse reaction rates?
EquilibriumEquilibriumeasy

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Question 266

Which of the following is a characteristic of a strong acid in aqueous solution?
Acids, bases, saltsAcids, bases, saltseasy

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Question 267

Which functional group is present in an ester?
Organic chemistryOrganic chemistrymedium

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Question 268

Which of the following is the correct mole ratio of elements in the polymer polyethylene?
Polymer chemistryPolymer chemistryhard

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Question 269

What type of chemical bond is formed by the transfer of electrons from one atom to another?
Chemical bondingChemical bondingeasy

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Question 270

Which of the following best explains why metals conduct electricity?
Structure and properties of matterStructure and properties of mattermedium

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