OCR A-Level Chemistry B: Salters (H433) · OCR H433
ES Elements from the sea
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Elements from the sea
- A student is investigating the chemistry of halogens extracted from the sea. They have a s… (5 marks, Describe)
- Bromine can be extracted from sea water. Explain how bromine is obtained from sea water us… (5 marks, Explain)
- A company extracts iodine from seaweed on an industrial scale. After harvesting the seawee… (5 marks, Describe)
- Iodine is an element that can be extracted from seaweed. A student carries out a series of… (5 marks, Describe and Explain)
- A coastal chemical plant extracts bromine from sea water. The plant operator notices that … (5 marks, Explain)
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