Higher practice prelim half paper A

A half-length Higher Chemistry paper, ideal for a single evening’s revision or a timed practice session.

What’s included:

• Question paper: 10 multiple-choice questions with an answer grid, plus 40 marks of written questions (50 marks in total)
• Full marking instructions: expected answers, step-by-step working for every calculation, and guidance on what to accept
• Covers Chemical changes and structure, and Nature’s chemistry
• Suggested time: 1 hour 15 minutes

Topics include trends in the halogens, the catalysed decomposition of hydrogen peroxide with a potential energy diagram, why ammonia is polar, oxidising hexanol and hexanal, and an ester calculation. The open-ended question asks whether hotter is always better when washing with a biological powder.

Instant PDF download. Print as many copies as your household needs. The questions are original, written by a practising Scottish chemistry teacher.