Unit flashcards
Unit 10: Chemistry of the Environment — one card for every lesson
Unit 10 overview: Chemistry of the Environment
Chemistry of the Environment Tap to flipUnit 10 overview: Chemistry of the Environment
Unit 10 overview — CO-ORDINATED SCIENCES: Chemistry of the Environment — 2 topics and 5 lessons. Work through the lessons in order, then use each lesson's Key terms and Common mistakes tabs to revise.TopicLessons10.1 Water and Water Pollution10.1.1 Water: Chemical…
Open the lessonWater: Chemical Tests
Chemistry of the Environment Tap to flipWater: Chemical Tests
Describe tests for hydrogen, oxygen, carbon dioxide, ammonia and chlorine.1HydrogenHydrogen lighted splint gives a squeaky pop.2Oxygen relights a glowing splint.3Ammonia turns damp red litmus blue; chlorine bleaches damp litmus paper.4Anhydrous copper(II) sulfate turns from white to blue with water; pure…
Open the lessonWater Treatment
Chemistry of the Environment Tap to flipWater Treatment
10.1.2 Water Treatment — CO-ORDINATED SCIENCES notes: Describe the stages used to make untreated water safe to drink and explain the purpose of each stage.Insoluble impuritiesInsoluble impurities These are solid pieces that do not dissolve, such as soil, sand, mud…
Open the lessonAir
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10.2.1 Air — CO-ORDINATED SCIENCES notes: State the composition of clean dry air and describe the sources and harmful effects of the main air pollutants.GasApproximate shareCommentNitrogen, N278%The most abundant gas and very unreactive.Oxygen, O221%Needed for respiration and combustion.Carbon dioxide and…
Open the lessonEffects of Greenhouse Gases
Chemistry of the Environment Tap to flipEffects of Greenhouse Gases
10.2.2 Effects of Greenhouse Gases — CO-ORDINATED SCIENCES notes: Explain how greenhouse gases keep the Earth warm and how human activity changes the balance.IncomingIncoming the Earth receives most of its thermal energy as thermal radiation from the SunOutgoingOutgoing the Earth…
Open the lessonReducing the Effects of Environmental Issues
Chemistry of the Environment Tap to flipReducing the Effects of Environmental Issues
10.2.3 Reducing the Effects of Environmental Issues — CO-ORDINATED SCIENCES notes: Describe strategies for reducing climate change and acid rain, and explain how catalytic converters and flue gas desulfurisation work.Use cleaner energyUse cleaner energy Switch from burning fossil fuels to…
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