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Transcription of this question: Limescale, CaC03 (s), can be removed from water kettles by using vinegar, a dilute solutionof ethanoic acid, CH3COOH (aq).(a)(b)Predict, giving a reason, a difference between the reactions of the same concentrationsof hydrochloric acid and ethanoic acid with samples of calcium carbonate.[2]Dissolved carbon dioxide causes unpolluted rain to have a pH of approximately 5, butother dissolved gases can result in a much lower PH. State one environmental effect ofacid rain.

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