Acids, bases and chemical change

The T -level course concentrates at this stage on acids and their reactions (with different bases). The content consolidates learning from earlier key stages about the pH scale and develops the idea of hydrogen ions being used in the measurement of pH.

Both modelling this concept, so students can picture what is happening on a submicroscopic level, and then linking to the practical work that shows how these ideas translate  in practice is important.  It will also be crucial to understand on a proportional level what is happening to the hydrogen ion concentration as we increase the pH by one each time and so a variety of approaches may be needed to look at this in theory and practice as students may struggle with this idea. Although the equation to link hydrogen ions and pH is not explicitly mentioned, it would help to include this as a symbolic representation of that relationship and let you try out different concentrations to predict the pH of a solution they may use in practical work.   

Whilst this list provides a source of information and ideas for experimental work, it is important to note that recommendations can date very quickly. Do NOT follow suggestions which conflict with current advice from CLEAPSS, SSERC or other recent safety guides. eLibrary users are responsible for ensuring that any activity, including practical work, which they carry out is consistent with current regulations related to Health and Safety and that they carry an appropriate risk assessment. Further information is provided in our Health and Safety guidance.’