Free | OCR A Chemistry A H432

Build your chemistry question set

Choose an AS or A2 topic, set the length, and work through a free set drawn only from reviewed H432 questions.

1 Choose your course stage

AS Chemistry A2 Chemistry

2 Choose one or more topics

Questions are balanced internally across your selected topics. The topic cards show the reviewed bank currently available.

3 Choose the set length

5 questions 10 questions 15 questions 20 questions

4 Choose how you want to practise

Practice modeGet the answer and explanation as soon as you check each question. Exam modeMove back, skip, review, and see all feedback only after you submit.

5 Optional timer

No timer 5 minutes 10 minutes 15 minutes 20 minutes

A timer is enforced by the server. When it expires, the set is submitted with unanswered questions left blank.

Free topic practice across OCR A Chemistry A

Build focused sets for practical skills, atoms and reactions, bonding, physical chemistry, organic chemistry, rates, energy, transition elements, synthesis and analysis.

Your score comes from the stored answer key and reviewed explanations. Practice remains free; verified paid pupils additionally keep completed-set progress in their own account.