1st Semester Exam B

Front

What happens to salt when it is added to water?

Back

Salt dissolves in water, creating a saltwater solution.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A chemical change results in the formation of new substances with different properties.

Front

Can a physical change and a chemical change occur at the same time?

Back

Yes, both changes can occur simultaneously.

Front

What is an example of a physical change?

Back

Breaking a plate is an example of a physical change.

Front

What is an example of a chemical change?

Back

Burning wood is an example of a chemical change.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change does not change the substance's identity, while a chemical change does.

Front

What happens to matter when it changes states?

Back

When matter changes states, it undergoes a physical change.

Front

What is solubility?

Back

Solubility is the ability of a substance to dissolve in a solvent, such as water.

Front

Which of the following does NOT dissolve in water: salt, rocks, or apple juice?

Back

Rocks do not dissolve in water.