1. What is iron used for?
- Fossil Fuels
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Other questions in this quiz
2. What are the 5 non-metals in group 7 known as?
3. What is a molecule?
- more than 3 elements
- two or more atoms bonded together
- two or more electrons
- 5 or more electron joined together
4. What colour precipitate does iodides form with silver nitrates?
5. What colour precipitate does bromides form with silver nitrates?