Physical and Chemical Changes CFA Review

Front

What is a chemical property of a substance?

Back

A characteristic that can only be observed during a chemical reaction, such as reactivity with other substances.

Front

What happens when baking soda and vinegar are mixed?

Back

They undergo a chemical change, producing carbon dioxide gas.

Front

What is an example of a physical change?

Back

Melting ice, where the state changes from solid to liquid without altering the chemical composition.

Front

What is evaporation?

Back

The process where liquid water turns into vapor, often due to heat.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

What is a physical change?

Back

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

Front

What is an example of a chemical change?

Back

Cooking an egg, where the proteins change structure and form new substances.

Front

What is condensation?

Back

The process where water vapor cools and changes back into liquid water.

Front

What is the density of water?

Back

1 gram per milliliter (1 gm/mL) at 4°C.

Front

What is the boiling point of water?

Back

100 degrees Celsius (212 degrees Fahrenheit) at standard atmospheric pressure.