Physical vs. Chemical change

Front

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

Back

A physical change affects the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances with different chemical properties.

Front

Is melting ice a physical or chemical change?

Back

Melting ice is a physical change.

Front

What happens to the chemical composition of a substance during a chemical change?

Back

The chemical composition of a substance changes during a chemical change, resulting in new substances.

Front

What is an example of a chemical change?

Back

An example of a chemical change is rusting of iron.

Front

What is an example of a physical change?

Back

An example of a physical change is dissolving sugar in water.

Front

What are some signs that a chemical change has occurred?

Back

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

Front

Is cooking an egg a physical or chemical change?

Back

Cooking an egg is a chemical change.

Front

What is the definition of a chemical change?

Back

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

Front

What is the definition of 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

Is the burning of wood a physical or chemical change?

Back

The burning of wood is a chemical change.