OCR-GCSE-Combined Science-Chemistry-HIGHER

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OCR GCSE Combined Science A: Chemistry, Higher tier (J250). 916 questions with their answers, covering 6 topics and 60 subtopics of the specification.

Route: Combined Science A, the double award worth two GCSEs. Tier: Higher. Papers: Paper 9 (Chemistry) and Paper 10 (Chemistry), each 1 hour 10 minutes and 60 marks.

Check this is the right version:

• This is Combined Science A (J250). If you sit separate Biology, Chemistry and Physics GCSEs, you need the Chemistry A (J248) guide instead.
• This is the Higher tier, which sits its own papers and offers grades 9-9 to 4-4 of the double award, with an allowed 4-3. Higher carries everything on the Foundation papers plus the higher-tier content.
• This guide is the chemistry half of Combined Science A. The biology and physics guides are sold separately.

This is a memorisation guide. It’s about memorising information and terms not *learning* it. Check content images to see more.

Topics covered:

• Chemical Reactions
• Elements, Compounds and Mixtures
• Global Challenges
• Monitoring and Controlling Chemical Reactions
• Particles
• Predicting and Identifying Reactions

Active recall --> brain hacking.

Use the 3-step active recall method to memorise the content of OCR GCSE Combined Science A Chemistry.

• STEP 1: Answer the questions CLOSED book, even if you don’t know much about the topic.
• STEP 2: Answer the questions OPEN book, you re-write the correct answers down
• STEP 3: Answer the questions CLOSED book again, for the final time.

There should be a difference in what you’ve got right between steps 1 and 3.

Sample questions, the topic list and what each paper assesses for OCR GCSE Combined Science Chemistry, Higher tier.

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