Chemistry > QUESTIONS & ANSWERS > Combined Science AQA - Chemistry - GCSE Paper 2 Content 2022 - Practice Questions And Answers (All)
Combined Science AQA - Chemistry - GCSE Paper 2 Content 2022 - Practice Questions And Answers
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Combined Science AQA - Chemistry - GCSE Paper 2 Content 2022 - Practice Questions And Answers What is a pure substance? - ANS-A single element or compound, not mixed with any other substance In... a reversible reaction, if the forward reaction is exothermic, the backward reaction is...? - ANS-Endothermic Iron can react with oxygen to form iron oxide. This is also known as rusting. Is this a fast or slow chemical reaction? - ANS-Slow What is potable water? [Show More]
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