Link the post-16 topics of group 2 elements, acids and bases and polymerisation to the topic of hardness of water. Learn about a range of real life contexts for these chemical ideas through written material, and questions to encourage learning and test understanding. Use this material for enrichment towards the end of a post-16 course, or to add interest and context to your teaching.

The Chemistry in your cupboard resource series describes the chemistry that underlies nine well-known, household products. Each section explores the chemistry of these products and covers a wide range of chemical principles and topics. 

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The Royal Society of Chemistry gratefully acknowledges that this project was initially supported by Reckitt Benckiser in 2007. Reckitt Benckiser conducted a final review in 2013 so please note that certain information may be out of date.

Website design and revised programming by Learning Science Ltd. Original content supplied by Reckitt Benckiser and Presenting Science.

Chemistry in your cupboard