This topic is included in Paper 1 and Paper 2 (Foundation) or Paper 3 and Paper 4 (Higher) for GCSE OCR (B) Chemistry.
Questions by Topic:
- C1.1 How has the Earth’s atmosphere changed over time, and why (F)
- C1.1 How has the Earth’s atmosphere changed over time, and why (H)
- C1.2 Why are there temperature changes in chemical reactions (F)
- C1.2 Why are there temperature changes in chemical reactions (H)
- C1.3 What is the evidence for climate change, why is it occurring (F)
- C1.3 What is the evidence for climate change, why is it occurring (H)
- C1.4 How can scientists help improve the supply of potable water (F)
- C1.4 How can scientists help improve the supply of potable water (H)
