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I think its your ATP paper, for atp revise moles, electrolysis, redox, indicator colour changes some mcq's from organic or acid base and salt can come.Any one here got organic chemistry notes for IGCSE?? plzz i have my exam in 10 days
There are 3 difficult topics for beginners in Olevels/Igcse ( Moles, Acid Base & Salt and Organic Chemistry ).