Question

Classify each process as a chemical or physical change. logs burning in a fireplace: , melting chocolate, dissolving sodium fluoride in water:

Answer 1

[AI-generated answer — Bot GPT 3.5]

- Logs burning in a fireplace: Chemical change (combustion)

- Melting chocolate: Physical change (change in state from solid to liquid)
- Dissolving sodium fluoride in water: Physical change (solute particles spread and mix with solvent particles)