Chemistry OCR A AS Level
Chemistry
AS Level Chemistry A - H032 Full Specification (2016-2025 spec) Image Occlusions included
Sample Data
| Occlusion | {{c1::image-occlusion:rect:left=.198:top=.3311:width=.7919:height=.1818}}{{c2::image-occlusion:rect:left=.1999:top=.487:width=.7929:height=.1851}}{{c3::image-occlusion:rect:left=.197:top=.6494:width=.7958:height=.3183}}{{c4::image-occlusion:rect:left=.7298:top=.0518:width=.2062:height=.1364}} |
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| Header | Colours of Halogens |
| Back Extra | Fluorine doesn’t dissolve in water - it reacts instead |
| Comments |
| Text | State a use for calcium hydroxide and suggest why the amount of calcium hydroxide used should not be excessive.{{c1::It is used to neutralise acidic soils. Excess will result in soils becoming too alkaline to sustain crop growth.}} |
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| Text | What are two alternatives to using chlorine for treating water?{{c1::Ozone}} & {{c1::ultraviolet light }} |
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