AQA new specification-Pure substances and mixtures-C10.1
C10-Chemical analysis-Pure substances and mixtures lesson created in accordance to the NEW AQA Specification (9-1). Designed for a low ability year 11 class, although content can be adjusted to suit any ability. Includes: slide animations, embedded videos and practice questions with answers on slides as well as a interactive review task. If for any reason the video link does not work, a URL has also been included in the notes.

AQA spec link: and

In chemistry, a pure substance is a single element or compound, not
mixed with any other substance.
Pure elements and compounds melt and boil at specific temperatures. Melting point and boiling point data can be used to distinguish pure substances from mixtures. In everyday language, a pure substance can mean a substance that has had nothing added to it, so it is unadulterated and in its natural state, eg pure milk. Students should be able to use melting point and boiling point data to distinguish pure from impure substances.

Many products are complex mixtures in which each chemical has a particular purpose. Formulations are made by mixing the components in carefully measured quantities to ensure that the product has the
required properties. Formulations include fuels, cleaning agents, paints, medicines, alloys, fertilisers and foods. Students should be able to identify formulations given appropriate information. Students do not need to know the names of components in proprietary products.
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  • C10.1-Pure-substances-and-mixtures.pptx

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Created: Oct 10, 2017

Updated: Feb 22, 2018

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