Understanding Solutions and Mixtures

Front

What is a chemical change?

Back

A chemical change is a process where new substances are formed, often involving a change in energy and the breaking and forming of bonds.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a solution?

Back

A solution is a type of mixture where one substance (the solute) dissolves in another (the solvent), resulting in a homogeneous mixture.

Front

What is a solute?

Back

A solute is the substance that is dissolved in a solution.

Front

What is a solvent?

Back

A solvent is the substance that dissolves the solute in a solution.

Front

What is miscibility?

Back

Miscibility refers to the ability of two substances to mix in all proportions, forming a homogeneous solution.

Front

What is solubility?

Back

Solubility is the ability of a substance to dissolve in a solvent at a given temperature and pressure.

Front

What happens when bubbles form during a reaction?

Back

The formation of bubbles often indicates a chemical change, as gases are produced during the reaction.

Front

What is an example of a physical change?

Back

An example of a physical change is melting ice into water, where the substance remains H2O.

Front

What is an example of a chemical change?

Back

An example of a chemical change is rust forming on iron, resulting in new substances.