GCSE Chemistry:  Chemical Analysis Required Practical

The Year 11 Separates Chemists recently completed in the GCSE Chemical Analysis required practical. This key component of their curriculum provided the students with an opportunity to apply theoretical knowledge in a practical setting, honing essential skills that are crucial for both their exams and future scientific studies.

In preparation for this practical, we spent three lessons learning about various chemical tests to identify different parts of a compound. These included flame tests and hydroxide tests to identify cations (positively charged ions) and a range of tests to identify carbonates, sulphides and halides and all anions (negatively charged ions). As well as practical skills, these tests require students to remember 20 separate tests and their results, often a colour change.

To assess the students knowledge, I set them a task. Students were given three unknown compounds labelled X, Y and Z. They had access to whatever equipment they chose and a wide range of reagents and the task was to identify each mystery compound. Students worked in small groups to conduct the experiments, recording their observations carefully and interpreting the results. Emphasis was placed on accuracy, safety and the importance of following the scientific method. The practicals not only tested their understanding of key chemical concepts but also fostered teamwork, problem-solving, and analytical thinking—skills that will serve them well in future scientific endeavors.

The successful completion of this required practical is a significant milestone in the students’ GCSE journey, providing them with the hands-on experience they need to fully grasp the principles of chemical analysis. The practical work also prepares them for their GCSEs. Physically carrying out these tests helps to embed the methods and results in the students memories.

As the Year 11 students continue to prepare for their GCSEs, experiences like this ensure they are not only ready for the exams but also equipped with a deeper understanding of the real-world applications of chemistry.

Mr Coogan

Teacher of Science

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  • Artsmark Platinum Award - Awards by Arts Council England
  • Lancashire Socio-economic Equality Badge
  • SMART
  • UNICEF
  • School Mental Health Award
  • Ofsted - Outstanding Provider
  • International School Award