Chemistry
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Atomic Structure and the Periodic Table
SubtopicAtomic Structure and the Periodic Table under Chemistry for Grade 10 IB.
Preview questions (no answers)
- 1.
Atoms of the same element in the same group have the same number of:
A.Neutrons
B.Total electrons
C.Valence electrons
D.Protons
- 2.
Which of the following is the correct symbol for Silver?
A.Si
B.S
C.Ag
D.Au
- 3.
What is the maximum number of electrons that can be held in the third shell () for the first 20 elements?
A.2
B.8
C.18
D.32
Download the worksheet for Chemistry - Atomic Structure and the Periodic Table to practice offline. It includes additional chapter-level practice questions.
Chemical Bonding (Ionic, Covalent, and Metallic)
SubtopicChemical Bonding (Ionic, Covalent, and Metallic) under Chemistry for Grade 10 IB.
Preview questions (no answers)
- 1.
Which of the following describes a non-polar covalent bond?
A.Electrons are transferred from one atom to another
B.Electrons are shared equally between two atoms
C.Electrons are shared unequally between two atoms
D.Positive ions are attracted to a sea of electrons
- 2.
How many valence electrons does a Magnesium atom lose to form an ion?
A.1
B.2
C.3
D.4
- 3.
What type of bond is found in Sodium Fluoride ()?
A.Metallic
B.Covalent
C.Ionic
D.Polar Covalent
Download the worksheet for Chemistry - Chemical Bonding (Ionic, Covalent, and Metallic) to practice offline. It includes additional chapter-level practice questions.
Chemical Reactions and Stoichiometry (The Mole Concept)
SubtopicChemical Reactions and Stoichiometry (The Mole Concept) under Chemistry for Grade 10 IB.
Preview questions (no answers)
- 1.
What does the symbol '' or '' represent in stoichiometry?
A.The volume of a liquid
B.Avogadro's constant
C.The limit of a reaction
D.The level of concentration
- 2.
If the molar mass of a substance is 100 , what is the mass of 0.25 moles?
A.25 g
B.50 g
C.75 g
D.100 g
- 3.
How many moles of Chlorine atoms are in 1 mole of Calcium Chloride ()?
A.1
B.2
C.3
D.4
Download the worksheet for Chemistry - Chemical Reactions and Stoichiometry (The Mole Concept) to practice offline. It includes additional chapter-level practice questions.
Acids, Bases, and pH Scales
SubtopicAcids, Bases, and pH Scales under Chemistry for Grade 10 IB.
Preview questions (no answers)
- 1.
What is the pH value of a strong alkali?
A.pH 1
B.pH 3
C.pH 7
D.pH 13
- 2.
Which of the following is a safe way to identify a dilute acid in a laboratory setting?
A.Tasting it
B.Touching it with bare hands
C.Using a pH meter or indicator
D.Smelling it closely
- 3.
Which of the following is another name for a basic solution?
A.Acidic solution
B.Alkaline solution
C.Neutral solution
D.Metallic solution
Download the worksheet for Chemistry - Acids, Bases, and pH Scales to practice offline. It includes additional chapter-level practice questions.
Kinetics and Energetics (Rates of Reaction and Enthalpy)
SubtopicKinetics and Energetics (Rates of Reaction and Enthalpy) under Chemistry for Grade 10 IB.
Preview questions (no answers)
- 1.
Which of the following is a characteristic of an exothermic reaction?
A.The container feels cold to the touch.
B.Heat is taken in from the surroundings.
C.The products are more stable than the reactants.
D.The enthalpy change is positive.
- 2.
Why does food cook faster in a pressure cooker than in an open pot?
A.The pressure lowers the activation energy.
B.The higher pressure increases the temperature of the boiling water.
C.The pressure acts as a catalyst.
D.The surface area of the food increases.
- 3.
What happens to the frequency of collisions when the volume of a gas-phase reaction container is decreased at constant temperature?
A.It decreases.
B.It increases.
C.It remains the same.
D.It stops completely.
Download the worksheet for Chemistry - Kinetics and Energetics (Rates of Reaction and Enthalpy) to practice offline. It includes additional chapter-level practice questions.
Introduction to Organic Chemistry (Hydrocarbons and Functional Groups)
SubtopicIntroduction to Organic Chemistry (Hydrocarbons and Functional Groups) under Chemistry for Grade 10 IB.
Preview questions (no answers)
- 1.
Which of these formulas represents an unsaturated hydrocarbon?
A.B.C.D. - 2.
What is the result of reacting an alkene with hydrogen gas (hydrogenation)?
A.An alcohol is formed
B.An alkane is formed
C.A carboxylic acid is formed
D.No reaction occurs
- 3.
Which of the following is a common use for the hydrocarbon methane?
A.As a lubricant
B.As a fuel for heating
C.To make vinegar
D.As an anesthetic
Download the worksheet for Chemistry - Introduction to Organic Chemistry (Hydrocarbons and Functional Groups) to practice offline. It includes additional chapter-level practice questions.