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New South Wales · HSC · Year 12

Chemistry

HSC Year 12

Official curriculum and assessment

To start HSC Chemistry revision, open the 2025 Main examination paper. Use the official resources below to choose a task, attempt it independently and check your response against the available assessment guidance. The practice sequence below explains how to turn that review into a focused next attempt. Confirm the paper’s course and syllabus year before using it.

Editorial guidance prepared .

How to practise this subject

These practice suggestions are editorial guidance from Australian Study Resources.

  1. Choose a current course task with this focus: static and dynamic equilibrium (reversible reactions, Le Chatelier's principle). Draw or write the chemical representation needed for the task. Label the species, charges and conditions before explaining the result.
  2. Choose a current course task with this focus: properties of acids and bases (strong vs weak, monoprotic vs polyprotic). Show the relevant equation and each calculation step. Check units, coefficients and significant figures against the question.
  3. Choose a current course task with this focus: nomenclature and structure of organic compounds (hydrocarbons, functional groups). Explain the observation through the behaviour of particles or bonds. Identify the link between the conditions and the outcome.
  4. Record the specific point you missed, write a corrected response, and attempt another question that requires the same skill. Check older material against your current course before reusing it.

Plan your next practice session

Choose one explanation from your practice sequence. Separate what was observed from the explanation you propose, then identify a condition or limitation that affects the conclusion.

How to explain scientific results without overstating them — includes an original example and a downloadable worksheet.

Browse free study notes on ATARMAXXING

Use notes to check a term or mechanism, then return to the actual data and explain the result in your own words. Check that the notes match your course.

Revision reading