This revision resource includes exam questions, understanding checks and quiz competitions, all of which have been designed to motivate and engage the students whilst they assess their understanding of the content found in topic 2 (Experimental techniques) of the CIE IGCSE Chemistry specification for examination in June and November 2020 and 2021. This revision resource contains an engaging PowerPoint (50 slides) and associated worksheets, some of which have been differentiated to help and challenge differing abilities.
The range of activities have been designed to cover as much of the Core and Supplement content as possible but the following sub-topics have been given particular attention:
- Identify substances and assess purity from melting and boiling point data
- Describe and explain the method of distillation
- Understand how fractional distillation separates mixtures according to their boiling points
- Describe and explain the method of crystallisation
- Demonstrate knowledge and understanding of paper chromatography
- Interpret simple chromatograms, including the calculation of the Rf values
In addition, topics from other modules such as states of matter at different temperatures are covered so that students can see the importance of being able to make connections and links between Chemistry topics.
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