GA: S8P1.D : Chemical vs Physical Changes

Front

What is a chemical change?

Back

A chemical change is a process where one or more substances are transformed into new substances with different properties.

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

Give an example of a chemical change.

Back

Rusting of iron is an example of a chemical change.

Front

Give an example of a physical change.

Back

Melting of ice is an example of a physical change.

Front

What is an indicator of a chemical change?

Back

Indicators of a chemical change include color change, temperature change, gas production, and formation of a precipitate.

Front

Why is melting ice considered a physical change?

Back

Melting ice is considered a physical change because it involves a change in state (solid to liquid) without changing the chemical composition of water.

Front

What happens during a chemical change?

Back

During a chemical change, bonds between atoms are broken and new bonds are formed, resulting in the creation of new substances.

Front

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

Back

A physical change does not alter the chemical composition of a substance, while a chemical change results in the formation of new substances.

Front

What does it mean if a substance changes color during a reaction?

Back

A color change often indicates that a chemical change has occurred, suggesting that new substances have formed.

Front

What is an example of a situation that indicates a chemical change?

Back

Mixing vinegar and baking soda produces gas and bubbles, indicating a chemical change.