OCR 21st Century Science - Chemistry C1
- Created by: icanteven
- Created on: 29-03-16 11:47
Other questions in this quiz
2. How were the oceans formed?
- the first atmosphere cooled and water vapour condensed
- it rained and filled where the oceans are now
3. Which two chemicals are responsible for acid rain?
- Sulfur oxide and Nitrogen oxide
- Sulfur dioxide and Nitrogen dioxide
- Sulfur and Nitrogen
4. Elements are made of
- cells
- atoms
- electrons
- molecules
5. In a limited supply of air Coal burns to form...
- Carbon Monoxide
- Carbon Dioxide
- Soot
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