Questions: Using resources
New numbers every time.
Potable water, waste water and the water practical
- Potable water and where it comes fromChoose, 1 mark, Plus
- Filtering and sterilising fresh waterChoose, 1 mark, Plus
- The stages of sewage treatmentChoose, 1 mark, Plus
- Mass of chlorine to treat a water supplyCalculate, 3 marks, Plus
- Energy for desalination: distillation against reverse osmosisCalculate, 4 marks, Plus
- Required practical: comparing dissolved solids in three samplesCalculate, 4 marks, Plus
- Required practical: water recovered by distillationCalculate, 4 marks, Plus
- Required practical: distillation and purityChoose, 1 mark, Plus
- Required practical: measuring pHChoose, 1 mark, Plus
- Required practical: hazards and how to control themChoose, 1 mark, Plus
- Plan: which water sample needs least treatment (6 marks)Plan, 6 marks, Plus
- Comparing ways to make potable water (6 marks)Compare, 6 marks, Plus
- The stages of sewage treatmentIdentify, 5 marks, Plus
- Chlorine to sterilise a water supplyCalculate, 4 marks, Plus
- Is desalination worth it?Evaluate, 5 marks, Plus
Life cycle assessment and recycling
- Which stage of a life cycle assessmentChoose, 1 mark, Plus
- How reliable is a life cycle assessment?Choose, 1 mark, Plus
- Comparing two products with a life cycle assessmentCalculate, 4 marks, Plus
- When does a reusable bottle win?Calculate, 5 marks, Plus
- Share of the energy used at one stageCalculate, 2 marks, Plus
- Reduce, reuse or recycle?Choose, 1 mark, Plus
- Energy saved by recycling, counting collectionCalculate, 5 marks, Plus
- Ore saved by recycling: percentage compositionCalculate, 5 marks, Plus
- Evaluating shopping bags with life cycle data (6 marks)Evaluate, 6 marks, Plus
- Define the terms for using resourcesDefine, 3 marks, Plus
- The case for recycling a metalJustify, 6 marks, Plus
- Using metals sustainably (6 marks)Discuss, 6 marks, Plus
Phytomining and bioleaching
- How phytomining worksChoose, 1 mark, Plus, Higher tier
- How bioleaching worksChoose, 1 mark, Plus, Higher tier
- Getting copper out of the solutionChoose, 1 mark, Plus, Higher tier
- Low-grade ore: mass of rock to be minedCalculate, 3 marks, Plus, Higher tier
- Phytomining: copper from a harvestCalculate, 4 marks, Plus, Higher tier
- Percentage of copper in a compound from a leachateCalculate, 3 marks, Plus, Higher tier
- Leachate to copper: mass of scrap ironCalculate, 4 marks, Plus, Higher tier
- Evaluating biological methods of extracting copper (6 marks)Evaluate, 6 marks, Plus, Higher tier
- Copper from a bioleaching solutionDeduce, 5 marks, Plus, Higher tier
- Mining and smelting against biological methods (6 marks)Compare, 6 marks, Plus, Higher tier
Corrosion, alloys, glass, ceramics, polymers and composites
- What corrosion isChoose, 1 mark, Plus, Chemistry only
- Barriers and sacrificial protectionChoose, 1 mark, Plus, Chemistry only
- Finding the carat of a gold alloyCalculate, 3 marks, Plus, Chemistry only
- Making up an alloy to a recipeCalculate, 3 marks, Plus, Chemistry only
- Why alloys are harder, and what they are used forExplain, 1 mark, Plus, Chemistry only
- Glass and clay ceramicsChoose, 1 mark, Plus, Chemistry only
- Thermosoftening and thermosetting polymersChoose, 1 mark, Plus, Chemistry only
- Composites: matrix and reinforcementChoose, 1 mark, Plus, Chemistry only
- Choosing a lighter material: mass from densityCalculate, 4 marks, Plus, Chemistry only
- Rusting results: percentage change in massCalculate, 3 marks, Plus, Chemistry only
- Choosing a material for a footbridge (6 marks)Evaluate, 6 marks, Plus, Chemistry only
- Alloys: the particles and the numbersSketch, 6 marks, Plus, Chemistry only
- Composites for a productSuggest, 5 marks, Plus, Chemistry only
The Haber process and NPK fertilisers
- The Haber process plantChoose, 1 mark, Plus, Chemistry only
- Changing the Haber equilibriumPredict, 1 mark, Plus, Chemistry only, Higher tier
- Percentage yield of ammoniaCalculate, 5 marks, Plus, Chemistry only, Higher tier
- Reading yield against temperatureDetermine, 4 marks, Plus, Chemistry only
- Making fertilisers: laboratory and industryChoose, 1 mark, Plus, Chemistry only
- Which fertiliser is better value for nitrogen?Calculate, 5 marks, Plus, Chemistry only
- Laboratory ammonium sulfate: percentage yieldCalculate, 5 marks, Plus, Chemistry only, Higher tier
- Percentage of nitrogen in a fertiliser blendCalculate, 3 marks, Plus, Chemistry only
- Industrial and laboratory production of a fertiliser (6 marks)Compare, 6 marks, Plus, Chemistry only
- Changing the Haber process conditionsPredict, 6 marks, Plus, Chemistry only, Higher tier
- Making a fertiliser salt in the laboratory (6 marks)Design, 6 marks, Plus, Chemistry only
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