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Examining equilibrium

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Preserving the past

Acids generated in the natural environment can damage historic buildings and artefacts. By coming up with treatments that stop the acids making contact with surfaces or that neutralise the acids, chemists can preserve our history for today and tomorrow

York Minster is the largest Gothic cathedral in northern Europe. A significant part of the cathedral is made of limestone and the building has suffered much erosion due to atmospheric pollutants such as SO2 and NOx

This article links to the following topics in the AQA, Edexcel, OCR, WJEC, CCEA and SQA exam specifications:

• acids

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Previous

Examining equilibrium

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Recent advances in biofuel production

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