Properties of Matter

Front

What is a physical property?

Back

A physical property is a characteristic or trait of matter that can be observed or perceived with our senses without changing its chemical composition.

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What is an example of a physical property?

Back

Ductility of copper wires used in electrical installations is an example of a physical property.

Front

What can be observed without changing the substance?

Back

A physical property can be observed without changing the substance.

Front

What is flammability?

Back

Flammability is a chemical property that describes a substance's ability to catch fire.

Front

What does the size of an object represent?

Back

The size of an object is an example of a physical property.

Front

What is an intensive physical property?

Back

An intensive physical property is a property that does not depend on the amount of substance present, such as density or boiling point.

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What is an extensive physical property?

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An extensive physical property is a property that depends on the amount of substance present, such as mass or volume.

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What is a chemical property?

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A chemical property is a characteristic of a substance that can only be observed during a chemical reaction, such as reactivity or flammability.

Front

What is the difference between physical change and chemical change?

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

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What is an example of a chemical change?

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Burning wood is an example of a chemical change, as it produces ash and smoke.