In this assessment, students will be able to complete a timed GCSE Chemistry Paper (Higher) in the style of OCR Combined Science B (21st Century Science).
We would recommend for this paper that you work through the assessment online and for the questions that are worth more than one mark you write your answers on paper to show your working.
For each question, the marks awarded for each section are written next to the questions and look like this 
You should aim for 1 minute per mark
The timer is set for 105 minutes for this practice paper, although you can keep working after the timer has run out.
If you are struggling to answer a question do not waste time on it, but move onto the next question.
We have no affiliation to OCR and these questions represent our own unique content developed by EdPlace GCSE authors.
None of the content displayed here has been supplied by OCR or any other third party suppliers.