Gases Have A Definite Shape And Volume. Answer: A gas is a substance with no definite volume and no definite shape. A gas, on the other hand, has a vol-ume that changes to match the volume of its container.

Liquids usually have a smooth surface, but.
Solids have a definite shape and volume.
This they can take any shape as per the. Definite meaning it has a shape that won't change. Solids have a definite shape and a fixed volume, liquids have a definite volume but no fixed shape while gases neither have a definite volume nor a Shape - Due to less attraction force between particles, particles of liquid and gas can easily move around.