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AQA GCSE CHEMISTRY QUANTITATIVE CHEMISTRY EXAM WITH VERIFIED ANSWERS AREADY GRADED A+.
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8

June 2025

2024/2025

A+
What does low atom economy mean - CorreCt Answers -Low atom economy; uses up resources quickly. Create lot's of waste = big problem, as needs to be disposed of safely. These reactions are usually unsustainable, due to being unprofitable. One way around this is to find a use for the 'by-products', this is more economical than just disposing of them. How can magnesium sulfate be synthesised - CorreCt Answers -1 Magnesium and sulfuric acid Mg + H2SO4 MgSO4 + H2 2 Magnesium oxide a...
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