Investigate the structure of sulphur compounds to suggest an explanation for the observed transient red colour in the reaction between sulphur dioxide and an aqueous solution of iron (III) ions.
In Search of More Solutions provides material for chemical “egg race” competitions that help to put the fun back into chemistry, and gives students that “little bit extra” to motivate them to follow a scientific or technical career.
Ask students to plan experiments, record data and draw conclusions in this practical activity
In this practical activity, students will monitor reactions of acids and develop a theory to explain their observations
Examine the environmental impact of our clothing with these resources
Help 11–14 students learn about the table’s development, structure and history
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