U3 C1 Flashcardizz

Front

What type of separation method does an air purifier use to remove dust and allergens from the air?

Back

Filtration is the separation method used by air purifiers to remove dust and allergens.

Front

What is a pure substance made of only one kind of atom called?

Back

An element is a pure substance made of only one kind of atom.

Front

Identify the type of mixture that milk represents.

Back

Milk is a heterogeneous mixture.

Front

What type of substance is formed when two or more elements chemically combine?

Back

A compound is formed when two or more elements chemically combine.

Front

What is the definition of a pure substance?

Back

A pure substance is a sample of matter that has only one identity throughout and cannot be separated by physical means.

Front

Can a pure substance be separated by physical means?

Back

No, a pure substance cannot be separated by physical means.

Front

What are some examples of pure substances?

Back

Examples of pure substances include water, gold, glucose, carbon dioxide, oxygen, and hydrogen.

Front

What is the process called that can separate a mixture into its components based on differences in boiling points?

Back

Distillation is the process that can separate a mixture based on differences in boiling points.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture that has a uniform composition throughout.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture that does not have a uniform composition and the different components can be seen.