Eduqas A Level Chemistry
Eduqas A Level Chemistry 2.3 The Wider Impact of Chemistry Exam Questions
Free Eduqas A Level Chemistry exam questions on 2.3 The Wider Impact of Chemistry, with mark schemes. Covers sustainability, green chemistry, fuels, the ozone layer and the social and economic impact of chemistry.
2.3 The Wider Impact of Chemistry exam questions
1 question pack of real past exam questions with its mark scheme. Answer every question without notes, then mark your answers line by line against the mark scheme.
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A Level Chemistry Flashcards
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Pick your exam board, then test yourself with the questions on this page.
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About Eduqas A Level Chemistry 2.3 The Wider Impact of Chemistry
This topic considers the environmental and social impact of chemistry.
What you need to know
- Green chemistry Atom economy, renewable feedstocks, safer solvents and energy efficiency.
- Fuels Fossil fuels and alternatives such as biofuels and hydrogen.
- Atmosphere The greenhouse effect, ozone depletion by CFCs and air pollution.
- Industry The economic and social importance of the chemical industry.
Common mistakes in 2.3 The Wider Impact of Chemistry
- Confusing ozone depletion with global warming.
- Listing green chemistry ideas without examples.
- Saying biofuels are carbon neutral without qualification.
Try three 2.3 The Wider Impact of Chemistry exam-style questions
1. Explain how CFCs damage the ozone layer. (2 marks)
Show the mark scheme answer
UV breaks C-Cl bonds forming chlorine radicals (1), which catalyse the breakdown of ozone (1).
2. Give two principles of green chemistry. (2 marks)
Show the mark scheme answer
Any two: high atom economy, renewable feedstocks, safer solvents, low energy use, less waste (1 each).
3. Give one disadvantage of biofuels. (1 mark)
Show the mark scheme answer
Any one: land used for crops instead of food, deforestation, fertiliser use.
2.3 The Wider Impact of Chemistry FAQs
What does The Wider Impact of Chemistry cover?
Sustainability, fuels, atmospheric chemistry and the role of chemical industry.
How is it examined?
Usually as extended writing with evaluation.
Do I need equations for ozone depletion?
Yes, the radical chain reactions involving chlorine.
Revise this topic with flashcards: A Level Chemistry Flashcards, with mark scheme answers for Anki and Quizlet.
