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It is a detailed explaination of the ch 7 of Edexcel International GCSE (9-1) Chemistry Student Book , which not only clears your doubts but also helps you in preparation for the exam as it contains all the explaination to solve past papers

It is a detailed summary and explaination Summary Edexcel International GCSE (9-1) Chemistry Student Book which clears you doubts as well as helping you prepare for the exam as all the information makes sure that you will be able to solve past papers after studying .

It is a detailed summary/ explaination of the Edexcel International GCSE (9-1) Chemistry Student Book , which not only clears your doubts but also prepares you for the exam by containing all the answers to most of the questions that occur in the exam according to the past papers pattern.