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AQA GCSE COMBINED SCIENCE: TRILOGY Higher Tier/Foundation Tier [BOTH]|QUESTIONS & MARKING SCHEME MERGED|
This question is about carbon dioxide. Carbon dioxide is soluble in water and forms an acidic solution. 0 1 . 1 Which ion makes the solution acidic? [1 mark] 0 1 . 2 Name an indicator that could be used to test if the solution is acidic. Give the result of the test. [2 marks] Indicator Result Quest...
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