National 5 Practice Prelim 3 and Mark Instructions

The third full-length National 5 Chemistry paper, with all-new questions and contexts, for the final run-up to the prelim.

What’s included:

• Question paper: 20 multiple-choice questions with an answer grid, plus 60 marks of written questions (80 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: 2 hours 20 minutes

Topics include ionic and covalent structures, following a reaction by mass loss, percentage composition, how indigestion tablets work, alkenes, alcohols and carboxylic acids, and the energy needed to boil water on a camping stove. There are two open-ended questions: identifying three unlabelled white solids, and why vinegar is so useful in the home.

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