Question

A substance that forms a vapor is generally in what physical state at room temperature?liquid or solidsolidliquidgas

Answer 1

The answer is liquid or solid.

That is a substance that forms a vapor is generally in liquid or solid physical state.

The substance that is in liquid or solid physical state, forms vapor.

When heated solid and liquid can be converted into vapor so the answer is solid or liquid is the physical state that forms vapors.