Topic 3 Practice Test

Front

What is a liquid?

Back

A state of matter that has a definite volume but no definite shape.

Front

What happens to a substance when it is cooled from zone 3 to zone 2 at 1 atm?

Back

Condensation occurs.

Front

What is the boiling point of water at 1 ATM of pressure?

Back

100 degrees Celsius.

Front

At what state does water exist at 700 mmHg and 50 °C?

Back

Liquid.

Front

What is the normal melting point of a substance that melts at 2 degrees C?

Back

2 degrees Celsius.

Front

What is the definition of boiling point?

Back

The temperature at which a liquid turns into vapor at a given pressure.

Front

What is the definition of melting point?

Back

The temperature at which a solid turns into a liquid.

Front

What is the difference between a gas and a liquid?

Back

A gas has neither a definite volume nor a definite shape, while a liquid has a definite volume but no definite shape.

Front

What is condensation?

Back

The process by which a gas turns into a liquid.

Front

What is vaporization?

Back

The process by which a liquid turns into a gas.