A practical problem that can be used as an assessment of students knowledge of acids and alkalis at the end of the unit. Students are asked to suggest how to safely clear up a spillage of an unknown liquid that has appeared on the lab floor. There is a structured assessment grid for students to self or peer assess their responses to the spillage.
It presents students with a real-life problem for them to solve using their knowledge of acids, alkalis, neutralisation and lab safety. Teaching notes are included.
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