Question 221
At equilibrium, what is true about the rate of the forward and reverse reactions?EquilibriumEquilibriumeasy
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 222
Which of these is a strong acid?Acids, bases, saltsAcids, bases, saltseasy
Select one option to submit your answer.
Question 223
In a redox reaction, what happens to the species that is oxidized?Redox reactionsRedox reactionsmedium
Select one option to submit your answer.
Question 224
Which of the following is an example of a polymer?Polymer chemistryPolymer chemistryeasy
Select one option to submit your answer.
Question 225
If 2 moles of hydrogen gas react with 1 mole of oxygen gas, how many moles of water are formed according to the equation 2H2 + O2 → 2H2O?Calculation chemistry (stoichiometry)Calculation chemistrymedium
Select one option to submit your answer.
Question 226
Which of these is a characteristic of a strong acid?Acids, bases, saltsAcids, bases, saltseasy
Select one option to submit your answer.
Question 227
Which of the following is the monomer unit of nylon-6,6 polymer?Polymer chemistryPolymer chemistryhard
Select one option to submit your answer.
Question 228
How many moles of oxygen gas (O2) are needed to completely react with 2 moles of propane (C3H8) according to the equation: C3H8 + 5O2 → 3CO2 + 4H2O?Calculation chemistry (stoichiometry)Calculation chemistryhard
Select one option to submit your answer.
Question 229
Which of the following is a property of solids due to their definite shape and volume?Structure and properties of matterStructure and properties of mattereasy
Select one option to submit your answer.
Question 230
Why does atomic radius generally decrease across a period in the Periodic Table?PeriodicityPeriodicitymedium
Select one option to submit your answer.