Mixtures and Solutions

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically combined and can be separated by physical means.

Front

What is a solution?

Back

A homogeneous mixture where one substance (solute) is dissolved in another (solvent).

Front

How can mixtures be separated?

Back

Mixtures can be separated by hand, filters, screens, or other physical methods.

Front

What is solubility?

Back

The ability of a substance to dissolve in a solvent at a given temperature and pressure.

Front

What happens when a solid dissolves in a liquid?

Back

The solid breaks down into smaller particles and becomes part of the liquid, forming a solution.

Front

What is evaporation?

Back

The process by which liquid turns into vapor, often used to separate a solute from a solvent in a solution.

Front

What is a precipitate?

Back

A solid that forms and settles out of a liquid mixture during a chemical reaction.

Front

What are some signs of a chemical reaction?

Back

Signs include heat production, gas formation, color change, and precipitate formation.

Front

What is the difference between a mixture and a solution?

Back

A mixture can be separated by physical means, while a solution is a homogeneous mixture that cannot be easily separated.

Front

What is a solvent?

Back

The substance in which a solute is dissolved to form a solution.