The best IGCSE chemistry websites for 0620 / 4CH1 combine syllabus-aligned notes, exam-style practice, and mark-scheme-aware feedback. Hub: best IGCSE websites.

Recommended sites for IGCSE Chemistry

Site	Best for	Cost
Tutopiya	Past papers, notes, tutoring	Free tier + paid
ZNotes	Printable topic notes	Free
PMT / Cognito	STEM drill (where applicable)	Free
Seneca	Active recall quizzes	Freemium
Save My Exams	Topic questions	Freemium

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Chemistry portal · Chemistry past papers · Free chemistry notes

Frequently asked questions

Best free chemistry site?

ZNotes plus PMT or Cognito — cross-check 0620 / 4CH1.

Paid worth it?

If free sites leave gaps in exam technique, tutoring or SME may help — try free stacks first.

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