Chemistry

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

States of Matter

Subtopic

States of Matter under Chemistry for Grade 10 IGCSE.

Preview questions (no answers)

1.
$Which of the following describes a physical change of state?$
A. $Iron rusting$
B. $Paper burning$
C. $Ice melting$
D. $Baking a cake$
2.
$Which process describes a gas changing to a solid without becoming a liquid?$
A. $Sublimation$
B. $Deposition$
C. $Freezing$
D. $Condensation$
3.
$The particles in a ________ move randomly and are very far apart.$
A. $Solid$
B. $Liquid$
C. $Gas$
D. $Crystal$

Download the worksheet for Chemistry - States of Matter to practice offline. It includes additional chapter-level practice questions.

Atoms, Elements and Compounds

Subtopic

Atoms, Elements and Compounds under Chemistry for Grade 10 IGCSE.

About Topic & Revision

Preview questions (no answers)

1.
$What is the smallest part of an element that can exist?$
A. $A molecule$
B. $A compound$
C. $An atom$
D. $A mixture$
2.
$What is the chemical symbol for Carbon?$
A. $Ca$
B. $Cr$
C. $C$
D. $Co$
3.
$Which of these is a typical physical property of most metals?$
A. $Poor conductor of heat$
B. $Brittle and easily broken$
C. $Good conductor of electricity$
D. $Dull appearance$

Download the worksheet for Chemistry - Atoms, Elements and Compounds to practice offline. It includes additional chapter-level practice questions.

Stoichiometry

Subtopic

Stoichiometry under Chemistry for Grade 10 IGCSE.

About Topic & Revision

Preview questions (no answers)

1.
$M_r$
A. $16$
B. $8$
C. $32$
D. $64$
2.
$What is the formula for percentage purity?$
A. $(Mass of pure substance / Total mass of sample) x 100$
B. $(Total mass of sample / Mass of pure substance) x 100$
C. $(Actual yield / Theoretical yield) x 100$
D. $(Ar / Mr) x 100$
3.
$Avogadro's Law states that equal volumes of all gases, at the same temperature and pressure, contain the same number of:$
A. $Protons$
B. $Neutrons$
C. $Molecules$
D. $Electrons$

Download the worksheet for Chemistry - Stoichiometry to practice offline. It includes additional chapter-level practice questions.

Electrochemistry

Subtopic

Electrochemistry under Chemistry for Grade 10 IGCSE.

About Topic & Revision

Preview questions (no answers)

1.
$Which statement about a simple cell (battery) is correct?$
A. $It uses electricity to produce a chemical reaction.$
B. $It converts chemical energy into electrical energy.$
C. $It requires an external power supply to work.$
D. $Both electrodes must be made of the same metal.$
2.
$What is the product at the anode during the electrolysis of molten calcium chloride?$
A. $Calcium metal$
B. $Chlorine gas$
C. $Oxygen gas$
D. $Hydrogen gas$
3.
$Which subatomic particles are responsible for carrying charge through an electrolyte?$
A. $Electrons$
B. $Protons$
C. $Ions$
D. $Neutrons$

Download the worksheet for Chemistry - Electrochemistry to practice offline. It includes additional chapter-level practice questions.

Chemical Energetics

Subtopic

Chemical Energetics under Chemistry for Grade 10 IGCSE.

About Topic & Revision

Preview questions (no answers)

1.
$Which statement correctly pairs a reaction type with its temperature change?$
A. $Exothermic - Temperature drops$
B. $Endothermic - Temperature rises$
C. $Exothermic - Temperature rises$
D. $Neutralization - Temperature drops$
2.
$What is the term for a chemical reaction that can occur in both the forward and reverse directions?$
A. $Exothermic reaction$
B. $Endothermic reaction$
C. $Reversible reaction$
D. $Activation reaction$
3.
$If a reaction releases more energy when forming bonds than it takes to break them, it is:$
A. $Endothermic$
B. $Exothermic$
C. $A physical change$
D. $Cold to the touch$

Download the worksheet for Chemistry - Chemical Energetics to practice offline. It includes additional chapter-level practice questions.

Chemical Reactions

Subtopic

Chemical Reactions under Chemistry for Grade 10 IGCSE.

About Topic & Revision

Preview questions (no answers)

1.
$Which of the following metals would react most vigorously when placed in cold water?$
A. $Copper$
B. $Iron$
C. $Magnesium$
D. $Potassium$
2.
$What characterizes an endothermic reaction?$
A. $It releases heat energy to the surroundings$
B. $It absorbs heat energy from the surroundings$
C. $It only occurs in the dark$
D. $It happens instantly without any energy$
3.
$Which of the following changes will decrease the rate of a chemical reaction?$
A. $Adding a catalyst$
B. $Increasing the concentration$
C. $Decreasing the temperature$
D. $Increasing the surface area$

Download the worksheet for Chemistry - Chemical Reactions to practice offline. It includes additional chapter-level practice questions.

Acids, Bases and Salts

Subtopic

Acids, Bases and Salts under Chemistry for Grade 10 IGCSE.

About Topic & Revision

Preview questions (no answers)

1.
$What is the pH of a solution formed by dissolving sodium oxide in water?$
A. $pH 2$
B. $pH 5$
C. $pH 7$
D. $pH 12$
2.
$Which acid is found in citrus fruits like oranges?$
A. $Sulfuric acid$
B. $Citric acid$
C. $Hydrochloric acid$
D. $Nitric acid$
3.
$Which of these reacts with an acid to produce a salt and hydrogen gas?$
A. $Metal hydroxide$
B. $Metal oxide$
C. $Reactive metal$
D. $Non-metal$

Download the worksheet for Chemistry - Acids, Bases and Salts to practice offline. It includes additional chapter-level practice questions.

The Periodic Table

Subtopic

The Periodic Table under Chemistry for Grade 10 IGCSE.

About Topic & Revision

Preview questions (no answers)

1.
$Which of the following elements will form an acidic oxide?$
A. $Sodium$
B. $Magnesium$
C. $Sulfur$
D. $Calcium$
2.
$What is the trend in density for Group 1 metals as you go down the group?$
A. $Generally increases$
B. $Generally decreases$
C. $Stays the same$
D. $Decreases then increases$
3.
$Which non-metal is a good conductor of electricity?$
A. $Sulfur$
B. $Diamond$
C. $Graphite$
D. $Phosphorus$

Download the worksheet for Chemistry - The Periodic Table to practice offline. It includes additional chapter-level practice questions.

Metals

Subtopic

Metals under Chemistry for Grade 10 IGCSE.

About Topic & Revision

Preview questions (no answers)

1.
$Which of the following is an example of a transition metal?$
A. $Calcium$
B. $Sodium$
C. $Iron$
D. $Magnesium$
2.
$Which metal is the most abundant in the Earth's crust?$
A. $Iron$
B. $Aluminum$
C. $Copper$
D. $Gold$
3.
$Which substance is added to the blast furnace to provide the carbon required for reduction?$
A. $Limestone$
B. $Coke$
C. $Hematite$
D. $Quartz$

Download the worksheet for Chemistry - Metals to practice offline. It includes additional chapter-level practice questions.

Chemistry of the Environment

Subtopic

Chemistry of the Environment under Chemistry for Grade 10 IGCSE.

About Topic & Revision

Preview questions (no answers)

1.
$What is the major difference between distilled water and tap water?$
A. $Distilled water contains more dissolved salts$
B. $Distilled water contains fewer impurities and dissolved ions$
C. $H_2O$
D. $Distilled water is naturally found in rivers$
2.
$Why is nitrogen gas relatively unreactive under normal conditions?$
A. $It has a very weak single bond$
B. $It is a noble gas$
C. $It has a very strong triple bond between its atoms$
D. $It is very light$
3.
$Which of these is classified as a fossil fuel?$
A. $Wood$
B. $Coal$
C. $Uranium$
D. $Hydrogen$

Download the worksheet for Chemistry - Chemistry of the Environment to practice offline. It includes additional chapter-level practice questions.

Organic Chemistry

Subtopic

Organic Chemistry under Chemistry for Grade 10 IGCSE.

About Topic & Revision

Preview questions (no answers)

1.
$What is the name of the process that converts ethene into ethanol by adding water?$
A. $Hydrogenation$
B. $Hydration$
C. $Dehydration$
D. $Oxidation$
2.
$Which of the following represents the molecular formula of methanol?$
A. $CH_3OH$
B. $C_2H_5OH$
C. $C_3H_7OH$
D. $CH_4$
3.
$Which of these statements about polymers is true?$
A. $They are always small molecules$
B. $They are made of many repeating units$
C. $They are only found in nature$
D. $They cannot be man-made$

Download the worksheet for Chemistry - Organic Chemistry to practice offline. It includes additional chapter-level practice questions.

Experimental Techniques and Chemical Analysis

Subtopic

Experimental Techniques and Chemical Analysis under Chemistry for Grade 10 IGCSE.

About Topic & Revision

Preview questions (no answers)

1.
$A student is identifying an unknown gas produced during a chemical reaction. They follow the procedure and observe the result shown in the flowchart below. Which gas is being tested?$
A. $N_2$
B. $O_2$
C. $CO_2$
D. $H_2$
2.
$Which method is safest for heating a flammable liquid like ethanol?$
A. $Directly over a Bunsen burner flame$
B. $Using a water bath$
C. $Inside a sealed container$
D. $On a wooden block$
3.
$Which of the following ions produces a grey-green precipitate when aqueous sodium hydroxide is added?$
A. $Chromium(III)$
B. $Iron(II)$
C. $Iron(III)$
D. $Copper(II)$

Download the worksheet for Chemistry - Experimental Techniques and Chemical Analysis to practice offline. It includes additional chapter-level practice questions.

Chemistry

States of Matter

❓Preview questions (no answers)

Atoms, Elements and Compounds

❓Preview questions (no answers)

Stoichiometry

❓Preview questions (no answers)

Electrochemistry

❓Preview questions (no answers)

Chemical Energetics

❓Preview questions (no answers)

Chemical Reactions

❓Preview questions (no answers)

Acids, Bases and Salts

❓Preview questions (no answers)

The Periodic Table

❓Preview questions (no answers)

Metals

❓Preview questions (no answers)

Chemistry of the Environment

❓Preview questions (no answers)

Organic Chemistry

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Experimental Techniques and Chemical Analysis

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