Reversible and Irreversible Changes Quiz

What is a characteristic of reversible changes?

• They result in a new material.

• They can be reversed to the original state.

• They involve a chemical reaction.

• They cannot be undone.

Which process is used to separate a solid from a liquid?

• Oxidation

• Sieving

• Filtering

• Condensation

What happens when salt is dissolved in water?

• It forms a new material.

• It creates a salt solution.

• It becomes a gas.

• It cannot be separated.

Which of the following is an example of an irreversible change?

• Freezing chocolate

• Boiling water

• Melting ice

• Burning wood

Why can't cooked food be reversed to its raw state?

• It is a reversible process.

• It can be separated by filtering.

• It involves a physical change.

• It forms a new material.