Title

The term used to describe the properties of molecules in the bulk of each phase

The molecules forming the interface between two phases

The boundary between two phases (correct)

The term used to describe the molecules forming the interface between gas-solid or gas-liquid interface

Liquid-gas

Gas-liquid

Gas-solid

Liquid-solid (correct)

The term used to describe the properties of molecules in the bulk of each phase

The term used to describe the boundary between two phases

The molecules forming the interface between two phases

The molecules forming the interface between gas-solid or gas-liquid interface which have different properties from molecules in the bulk of each phase (correct)