Chemistry - Unit Test

Front

What is a physical property of water that can be measured?

Back

Boiling point is a physical property of water that can be measured.

Front

Which state of matter expands when heated and is easy to compress?

Back

Gas is the state of matter that expands when heated and is easy to compress.

Front

What is a characteristic of endothermic reactions?

Back

Endothermic reactions absorb energy from the surroundings.

Front

What is the process called when dry ice turns directly into gas without becoming liquid?

Back

This process is called sublimation.

Front

What element is represented by the symbol 'O'?

Back

Oxygen is represented by the symbol 'O'.

Front

What is the definition of sublimation in chemistry?

Back

Sublimation is the process where a solid turns directly into a gas without becoming a liquid.

Front

What happens to the temperature of the surroundings during an endothermic reaction?

Back

The temperature of the surroundings decreases during an endothermic reaction.

Front

What is the boiling point of water at sea level?

Back

The boiling point of water at sea level is 100 degrees Celsius (212 degrees Fahrenheit).

Front

What is the main difference between solids, liquids, and gases?

Back

Solids have a fixed shape, liquids take the shape of their container, and gases expand to fill their container.

Front

What is the definition of a chemical reaction?

Back

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.