Prep Africa
Menu

Exams

JAMBKCSENECTANSCWAEC

Resources

InteractiveSearchTimetables 2026Syllabus 2026About

WAEC Chemistry – Liberia

AI-generated exam-style practice tailored for Liberia students.

Interactive mode

Practice mode

Answer immediately. If you miss, we show exactly why your selected option is wrong.

Progress: 0/10 correct (0 answered)

Question 61

Which solid state structure is characterized by a regular, repeating pattern of atoms in three dimensions?
Structure and properties of matterStructure and properties of mattermedium

Select one option to submit your answer.

Question 62

As you move from left to right across a period in the periodic table, atomic radius generally:
PeriodicityPeriodicityeasy

Select one option to submit your answer.

Question 63

Which of the following will increase the rate of a chemical reaction?
Rates of reactions (kinetics)Rates of reactionsmedium

Select one option to submit your answer.

Question 64

In the equilibrium reaction N2(g) + 3H2(g) ⇌ 2NH3(g), what happens when the pressure is increased?
EquilibriumEquilibriummedium

Select one option to submit your answer.

Question 65

In a redox reaction, the substance that loses electrons is called the:
Redox reactionsRedox reactionsmedium

Select one option to submit your answer.

Question 66

Which type of polymerization involves the joining of monomers with loss of a small molecule like water?
Polymer chemistryPolymer chemistryhard

Select one option to submit your answer.

Question 67

In stoichiometry, how many moles of oxygen gas (O2) are required to react completely with 4 moles of propane (C3H8) in combustion?
Calculation chemistry (stoichiometry)Calculation chemistryhard

Select one option to submit your answer.

Question 68

Which of the following properties is characteristic of ionic compounds?
Structure and properties of matterStructure and properties of mattermedium

Select one option to submit your answer.

Question 69

Which element has the highest electronegativity in Period 3 of the periodic table?
PeriodicityPeriodicitymedium

Select one option to submit your answer.

Question 70

In a reversible reaction at equilibrium, what does Le Chatelier's principle state will happen if the concentration of a reactant is increased?
EquilibriumEquilibriummedium

Select one option to submit your answer.

We use cookies and similar technologies for analytics and advertising. You can accept or reject non-essential cookies.