The Particulate Nature of Matter

The three states of matter are solid, liquid and gas.

• True

• False

Only solid cannot be compressed.

• True

• False

Solid and liquid have fixed volume and fixed shape.

• True

• False

The particles in solid are arranged in orderly manner.

• True

• False

The particles in gaseous state are moving freely in all direction.

• True

• False

Melting is a process by which a substance changes from a solid to a gas.

• True

• False

Melting point refers to the temperature at which a solid becomes a liquid.

• True

• False

Both boiling and evaporation are the processes by which a substance changes from a liquid to a gas.

• True

• False

Evaporation occurs only at temperature below boiling point but boiling occurs only at boiling point.

• True

• False

Sublimation is a process at which

• a solid turns into a liquid

• a solid turns into a gas

• a liquid turns into a solid

• a gas turns into a liquid