Answer:
Physical: Melting point, density, volume
Chemical: Flammability, corrodes in air, ability to resist acids
Step-by-step explanation:
Chemical properties require a chemical reaction (change) to observe. Physical properties are those that do not, if you can observe it without changing the object, it is a physical property. Melting point, density, and volume are all observable physical properties. Flammability, corrosion, and acid resistance require chemical reactions to observe.