--- title: "A-Level Chemistry Practical" url: "http://www.kirkhamgrammarjnr.co.uk/news/2018-09-27-a-level-chemistry-practical" school: "Kirkham Grammar School" --- - [Facebook](https://www.facebook.com/kirkhamgrammarschool) - [Youtube](https://www.youtube.com/user/KirkhamGrammar) - [Linked In](https://www.linkedin.com/school/kirkham-grammar-school) - [Instagram](https://www.instagram.com/kirkhamgrammar) - [Flickr](https://www.flickr.com/photos/kgsphotos/) - [Search](http://www.kirkhamgrammarjnr.co.uk/search) # A-Level Chemistry Practical 27 September 2018 ![Image of A-Level Chemistry Practical ](https://files.schudio.com/kirkham-grammar-school/images/news/box.png) > Upper [@KGSSixth](https://twitter.com/KGSSixth?ref_src=twsrc%5Etfw) pupils carried out an 'iodine clock' experiment, a required A-level practical. They investigated the reaction of iodine ions with hydrogen peroxide in acidic solution and measured the rate of reaction using a stopclock. [pic.twitter.com/bWFR7OeJtb](https://t.co/bWFR7OeJtb) > > — Kirkham Grammar (@KirkhamGrammar) [26 септември 2018 г.](https://twitter.com/KirkhamGrammar/status/1044929415967330304?ref_src=twsrc%5Etfw) > Upper [@KGSSixth](https://twitter.com/KGSSixth?ref_src=twsrc%5Etfw) pupils carried out an 'iodine clock' experiment, a required A-level practical. They investigated the reaction of iodine ions with hydrogen peroxide in acidic solution and measured the rate of reaction using a stopclock. [pic.twitter.com/gO1g7oGsCw](https://t.co/gO1g7oGsCw) > > — Kirkham Grammar (@KirkhamGrammar) [26 септември 2018 г.](https://twitter.com/KirkhamGrammar/status/1044940447209193472?ref_src=twsrc%5Etfw) **Tags:** [2018-2019](http://www.kirkhamgrammarjnr.co.uk/news/tag/2018-2019) - [ previous](http://www.kirkhamgrammarjnr.co.uk/news/2018-09-26-1st-2nd-year-biology-experiments) - [next ](http://www.kirkhamgrammarjnr.co.uk/news/2018-09-28-first-kgjs-hockey-matches-of-season) - [Mission Statement](http://www.kirkhamgrammarjnr.co.uk/about-us/mission-statement) - [Latest News](http://www.kirkhamgrammarjnr.co.uk/news) - [History of KGS](http://www.kirkhamgrammarjnr.co.uk/about-us/history) - [Location & Community](http://www.kirkhamgrammarjnr.co.uk/about-us/location) - [Term Dates](http://www.kirkhamgrammarjnr.co.uk/about-us/termdates) - [Statutory Information](http://www.kirkhamgrammarjnr.co.uk/about-us/statutory-information) - [School Policies](http://www.kirkhamgrammarjnr.co.uk/about-us/policy-documents) - [Calendar](https://calendar.kirkhamgrammar.co.uk/week.aspx?ID=158) - [The Kirkhamian](http://www.kirkhamgrammarjnr.co.uk/news-1/the-kirkhamian) - [The Friends of KGS](http://www.kirkhamgrammarjnr.co.uk/thefriends-of-kgs) - [Old Kirkhamians' Association](http://www.kirkhamgrammarjnr.co.uk/old-kirkhamians-association) - [Hire of Facilities](http://www.kirkhamgrammarjnr.co.uk/about-us/hire-of-facilities) - [Vacancies](https://www.kirkhamgrammar.co.uk/vacancies/our-vacancies) ## Kirkham Grammar School ## Kirkham Grammar Junior, Infant & Pre-School Ribby Rd Kirkham Preston Lancashire PR4 2BH Tel: **01772 684264** Email: Ribby Road Kirkham Preston Lancashire PR4 2BD Tel: **01772 673222** Email: [![HMC Leading Independent Schools](https://files.schudio.com/kirkham-grammar-school/images/partners/hmc.png)](https://www.hmc.org.uk/)[![Boarding Schools' Association](https://files.schudio.com/kirkham-grammar-school/images/partners/bsa.png)](http://www.boarding.org.uk/) © Copyright 2019–2026 Kirkham Grammar School School & Trust Websites by [ ![Schudio logo](http://www.kirkhamgrammarjnr.co.uk/img/logo/light.png) ](https://www.schudio.com/)