Chemical vs. Physical Properties

Front

What is a physical property?

Back

A physical property is a characteristic of a substance that can be observed or measured without changing the substance's chemical identity. Examples include color, density, and melting point.

Front

What is a chemical property?

Back

A chemical property is a characteristic of a substance that describes its ability to undergo a specific chemical change. Examples include reactivity with acids, flammability, and the ability to oxidize.

Front

Give an example of a physical property of aluminum.

Back

Aluminum has a low density.

Front

What happens when yeast acts on sugar?

Back

Yeast acts on sugar and forms carbon dioxide and ethanol, demonstrating a chemical property.

Front

What is the result of the reaction between vinegar and baking soda?

Back

The reaction between vinegar and baking soda produces carbon dioxide gas, indicating a chemical property.

Front

What is a physical property of bromine?

Back

Bromine has a red color.

Front

Can sugar dissolve in water? What type of property does this demonstrate?

Back

Yes, sugar can dissolve in water, demonstrating a physical property.

Front

How can you differentiate between physical and chemical properties?

Back

Physical properties can be observed without changing the substance, while chemical properties can only be observed during a chemical reaction.

Front

What is an example of a chemical change?

Back

An example of a chemical change is the combustion of wood, which produces ash, carbon dioxide, and water.

Front

What is the significance of understanding physical and chemical properties in chemistry?

Back

Understanding physical and chemical properties helps predict how substances will behave in different situations, which is essential for applications in chemistry, biology, and materials science.