Mixtures

Front

What is a mixture?

Back

A mixture is a combination of two or more materials that can be easily separated by some physical means.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture in which the components are not uniformly distributed and can be easily distinguished, such as a salad.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture in which the components are uniformly distributed and cannot be easily distinguished, such as air.

Front

What is a physical property?

Back

A physical property is a characteristic of a substance that can be observed or measured without changing its identity, such as color or state.

Front

What is a chemical property?

Back

A chemical property is a characteristic of a substance that describes its ability to change into different substances, such as reactivity.

Front

Give an example of a heterogeneous mixture.

Back

An example of a heterogeneous mixture is sausage and mushroom pizza.

Front

Give an example of a homogeneous mixture.

Back

An example of a homogeneous mixture is saltwater.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a combination of two or more substances that retain their individual properties, while a compound is a substance formed when two or more elements chemically combine.

Front

Can mixtures be separated?

Back

Yes, mixtures can be separated by physical means such as filtration, evaporation, or distillation.

Front

What is an example of a physical change?

Back

An example of a physical change is melting ice into water.