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These oxides when reacting with acid undergoes a neutralization reaction to form water and salt. Thallium oxide does not dissolve in water, but does react with acids to form thallium salts. Although, many candidates and teachers refer to this as the 6mark question, as it is usually awarded 6 marks aqa have provided detailed guidance on how this question is structured and. Igcse chemistry revision material made for all exam boards including cie and edexcel. Exam practice workbook includes answers cgp igcse 91 revision by cgp books, cgp books isbn. To extend your revision even further, weve created a range of extra exam papers, revision questions and answers that you can download for free to use with your gcse 9 1 chemistry product. These are termed as oxides because here, oxygen is in combination with only one element. Cambridge igcse chemistry 3rd edition is developed by international experts and has been updated to offer comprehensive coverage of the core and extended topics in the latest igcse syllabus. This means that metal oxides and metal hydroxides are bases.
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