AQA · Chemistry · 8462
GCSE Chemistry: Ways of reducing the use of resources
Using resources · AQA GCSE Chemistry (8462), specification point 4.10.2.2. Cards are generated from the exam board's own specification for "Ways of reducing the use of resources", and every card links back to the page it came from. Specification © AQA — used with attribution.
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Name three benefits of reducing, reusing and recycling materials.
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Any three of: less use of limited resources, less use of energy sources, less waste, and reduced environmental impacts.
Why is quarrying and mining for raw materials a concern?
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Obtaining raw materials from the Earth by quarrying and mining causes environmental impacts.
Metals, glass, building materials, clay ceramics and most plastics are produced from ? raw materials.
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limited
Give an example of a product that can be reused rather than recycled.
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Glass bottles.
How are glass bottles recycled into different glass products?
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They are crushed and melted, then made into new glass products.
How are metals recycled?
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By melting and recasting, or reforming, into different products.
What determines how much separation is needed when recycling a material?
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The material itself and the properties required of the final product.
How does recycling scrap steel reduce iron extraction?
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Scrap steel can be added to iron from a blast furnace, so less iron needs to be extracted from iron ore.
Why are products that cannot be reused recycled instead?
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Recycling lets the material be used for a different purpose, reducing waste and the use of limited raw materials.
Much of the energy for producing metals, glass and plastics comes from ? resources.
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limited
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