Across
- 2. These types of reactions are used in chemical cool packs used in sports
- 4. The decomposition of ammonium chloride is an example fo this type of reaction
- 5. An example of an everyday endothermic reaction
- 6. This means 'without water'
- 7. An exanple of a reversible reaction showing a colour change from blue to white involves this compound
- 9. An exothermic reaction gives .... heat
- 10. In chemical reactions this cannot be created or destroyed
Down
- 1. This would be present in an equation of a reversible reaction
- 3. An endothermic reaction takes ... heat
- 7. An example of an everyday exothermic reaction
- 8. These types of reactions are used in hand warmers