Duplicate of Milady Chapter 7 Review Chemistry

Most water is pure.

The atoms of each element are different in structure from the atoms of all other elements.

Suspensions contain smaller particles than solutions do.

What does ionization create?

What is the most commonly used cosmetic ingredient?

These have a definite size and a definite shape.

When a substance is oxidized, the oxidizer is always reduced.

Rapid oxidation of a substance, accompanied by the production of heat and light.

How are elements identified?

How long should a properly-stored emulsion remain stable?

What is an example of a liquid?

What is an example of an organic substance?

Inorganic substances are flammable.

What color does a base turn red litmus paper?

Combination of 2 or more substances that are united physically...

Characteristics that can be determined without a chemical reaction...

Estheticians work with chemistry every day.

Unstable mixture of two or more immiscible substances.

These have neither a definite size nor a definite shape.

A disadvantage of oil-in-water emulsions is that they will not easily rinse away with water.

These are used to emulsify oil and water.

Understanding chemistry helps you to understand how to layer products in services.

What is a characteristic of suspensions?

Droplets of oil dispersed in water with the aid of an emulsifying agent.

A pH of eight is _______ times more alkaline than a pH of seven.

Uniform mixture of two or more miscible substances.

What is the range of the pH scale?

Also known as bases; have a pH above 7.0

What term refers to the simplest form of chemical matter?

Droplets of water dispersed in an oil.

Atoms can be divided into simpler substances by ordinary chemical means.

Substances with a pH below 7.0.

It may not be helpful to the skin for the esthetician cross over product lines in a service.

What is it called when a chemical changes its state but not its composition?

These have a definite size but not a definite shape.

What is an example of an oil-in-water emulsion?

Chemical reaction in which the oxidizing agent is reduced and the reducing agent is oxidized.

What is the most abundant element found on earth?

Characteristics that can be determined only with a chemical reaction...

What is the general composition of air by volume?