Question 38
Tick (✓) to show how confident you are of the concepts. Revise the relevant Student’s Book section(s) if needed.
For each statement choose Yes, Not sure or No:
- Differentiate between physical and chemical changes. (9.1)
- Represent chemical reactions using the particle model. (9.2)
- Identify whether a chemical reaction has taken place based on the changes that can be observed. (9.3)
- Explain why a precipitate forms in some chemical reactions. (9.3)
- Identify hydrogen, carbon dioxide and oxygen gases using tests. (9.3)
For each statement choose Yes, Not sure or No:
- Differentiate between physical and chemical changes. (9.1)
- Represent chemical reactions using the particle model. (9.2)
- Identify whether a chemical reaction has taken place based on the changes that can be observed. (9.3)
- Explain why a precipitate forms in some chemical reactions. (9.3)
- Identify hydrogen, carbon dioxide and oxygen gases using tests. (9.3)
