1. Calcium oxide reacts with what to produce carbon hydroxide?
- Carbon dioxide
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Other questions in this quiz
2. The products of heating carbonates are always what?
- Metal oxides and carbon dioxide
- Calcium oxides and carbon dioxide
- Water and carbon dioxide
3. Which of the following is not one of the reasons copper is used at school?
- It's change in colour from purple to green
- Because it is low in the reactivity series
- It's change in colour from green to black
4. When a metal is higher in the reactivity series does it need more or less energy?
- More energy to decompose
- Less energy to decompose
5. When copper carbonate is heated it produces carbon dioxide and what?
- Copper calcium
- Copper oxide
- Copper zinc