Using laboratory tests identify sodium sulphate, sodium sulphite, sodium thiosulphate, sodium metabisulphite and sodium persulphate.
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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.
Nina Notman gets a feel for the high-tech fabrics that can help us maintain our preferred temperature
Which material makes the warmest jacket? Investigate the insulating properties of various materials with this activity for ages 7–14
Help your students apply standard form in chemical equations
Develop students’ speaking and listening skills with this debate activity
Consolidate students’ understanding with these engaging activities
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