Question 1
What is the maximum number of electrons that can occupy the 3d subshell of an atom?
Atomic structure and quantum numbersAtomic structure and quantum numberseasy
Select one option to submit your answer.
WAEC Chemistry – Ghana
AI-generated exam-style practice tailored for Ghana students.
Practice mode
Answer immediately. If you miss, we show exactly why your selected option is wrong.
Progress: 0/10 correct (0 answered)
Question 2
Which type of chemical bond is formed by the transfer of electrons from one atom to another?
Chemical bondingChemical bondingeasy
Select one option to submit your answer.
Question 3
Which of the following solids has the highest melting point?
Structure and properties of matterStructure and properties of mattermedium
Select one option to submit your answer.
Question 4
Which element has the highest first ionization energy?
PeriodicityPeriodicitymedium
Select one option to submit your answer.
Question 5
How does increasing the concentration of reactants affect the rate of a chemical reaction?
Rates of reactions (kinetics)Rates of reactionseasy
Select one option to submit your answer.
Question 6
In the equilibrium reaction N2 + 3H2 ⇌ 2NH3, what will happen if the pressure is increased?
EquilibriumEquilibriummedium
Select one option to submit your answer.
Question 7
Which of the following is a strong acid?
Acids, bases, saltsAcids, bases, saltseasy
Select one option to submit your answer.
Question 8
In a redox reaction, the species that loses electrons is called the:
Redox reactionsRedox reactionsmedium
Select one option to submit your answer.
Question 9
What is the main purpose of the salt bridge in an electrochemical cell?
ElectrochemistryElectrochemistryhard
Select one option to submit your answer.
Question 10
Which of the following polymers is formed by addition polymerization?
Polymer chemistryPolymer chemistryhard
Select one option to submit your answer.