Physical and Chemical properties and changes.

Front

What is a Physical Property?

Back

A characteristic of a substance that can be observed or measured without changing its identity, such as color, boiling point, or density.

Front

What is a Chemical Property?

Back

A characteristic of a substance that describes its ability to change into different substances, such as flammability or reactivity with acids.

Front

What is a Physical Change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition, such as melting or boiling.

Front

What is a Chemical Change?

Back

A change that results in the formation of new chemical substances, indicated by color change, gas production, or formation of a precipitate.

Front

Example of a Physical Property?

Back

Boiling point, melting point, density, color.

Front

Example of a Chemical Property?

Back

Reactivity with oxygen, acidity, flammability.

Front

What happens during Evaporation?

Back

A physical change where liquid water turns into vapor without changing its chemical composition.

Front

What is a Precipitate?

Back

A solid that forms and separates from a liquid mixture during a chemical reaction.

Front

What is the significance of Boiling Point?

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It is a physical property that indicates the temperature at which a liquid turns into vapor.

Front

What occurs when two liquids form a solid?

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This is an example of a chemical change, where a new substance (solid) is created from the reaction of two liquids.