Chemical “Clues”

Question 1

Chemical clues

Answer 1

1. Combustion takes place (quick reaction with oxygen that produces heat and light)
2. Bubbles of gas are released
3. Reaction with acid, water, or oxygen
4. If heat is absorbed during the reaction (endothermic reaction)
5. If heat is emitted during the reaction (exothermic reaction)
6. If light is emitted during the reaction
7. If a precipitate (solid) forms in a liquid
8. New colour
9. New odour
10. Irreversible