Classify each property of potassium as either physical or chemical. Select the single best answer for each part.

Question

When exposed to air potassium forms a white oxide
Potassium reacts violently with water to produce hydrogen gas and potassium hydroxide

Answer 1

- When exposed to air potassium forms a white oxide: Chemical
- Potassium reacts violently with water to produce hydrogen gas and potassium hydroxide: Chemical