Exercises

Every exercise from the courses, in one place. Search for a specific one, filter by subject, or let chance pick one for you.

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Flash questionsShort drills on core skills, as cards to project or print.See the series

1120 exercises

The mole and the amount of substance

Chimie – Quantités3 exercises

Short answerIntermediate

Value of Avogadro's number

MCQIntermediate

Choosing the right package

Open answerIntermediate

A complete calculation of the amount of substance

Solutions and concentration

Chimie – Quantités4 exercises

MCQIntermediate

Identifying the solute and the solvent

Short answerIntermediate

Calculation of mass concentration

MCQIntermediate

Understanding dilution

Open answerIntermediate

Calculates a complete dilution

Acids, bases and pH

Chimie – Transformations4 exercises

MCQIntermediate

Plotting a solution on the pH scale

Short answerIntermediate

What the pH measures

MCQIntermediate

Effect of dilution on the pH of a strong acid

Open answerIntermediate

Calculates a concentration from a pH value

Redox reactions

Chimie – Transformations4 exercises

MCQIntermediate

Identifying oxidising and reducing agents

Short answerIntermediate

Writing a half-reaction equation

MCQIntermediate

Combining two half-equations

Open answerIntermediate

Justifying a general equation

Organic chemistry: carbon molecules

Chimie – Organique4 exercises

MCQIntermediate

The tetravalence of carbon

Short answerIntermediate

General formula for alkanes

MCQIntermediate

Identifying a characteristic group

Open answerIntermediate

Isomerism and reactivity

Chemical kinetics and equilibria

Chimie – Transformations4 exercises

Interpreting a half-life

Short answerAdvanced

Identifying a kinetic factor

Describing a chemical equilibrium

Open answerAdvanced

Apply the principle of moderation

Modern symmetric encryption: AES and operating modes

Cryptographie – Symétrique1 exercise

MCQIntermediate

The AES block size