1. The relative mass of an electron is what?
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Other questions in this quiz
2. All acids contain which type of ion?
3. Isotopes have a different number of what?
- Electron shells
4. What are the three raw materials in the blast furnace?
- Iron oxide, limestone, water
- Iron oxide, water, carbon dioxide
- Iron oxide, coke, limestone
- Iron oxide, coke, carbon
5. What is the name of the ore in which aluminium is found?
- Metal aluminium
- Rock aluminium