Ch 12 Chemistry

Substances that allow oil and water to mix, or emulsify, are:

A solution with a pH value of 7 indicates a(n):

A sweet, colorless, oily substance that is used as a moisturizer in skin and body creams is:

People began making soaps about 4,500 years ago by boiling oil or animal fat with wood ashes.

The branch of science that applies to substances that contain carbon is called:

Change in the form of a substance that does not cause a chemical reaction is a(n):

The chemical combination of two or more atoms of different elements produces a(n):

Air contains many substances, including nitrogen and water vapor, and is an example of:

The simplest form of chemical matter that cannot be broken down w/out the loss of identity is:

An atom or molecule that carries an electrical charge is a(n):

Substances used to neutralize acids or raise the pH of many hair products are:

An unstable physical mixture of two or more immiscible substances is a(n):

All haircolor products are organic chemicals.

A stable physical mixture of two or more substances is a(n):

Chemically combining two or more atoms produces a:

Chemical reactions that are characterized by or formed by giving off heat are:

A common volatile organic compound used in hair spray is:

A chemical combination of matter in definite (fixed) proportions is a:

An example of an ammonia compound that is used to perform chemical services in a salon is:

Cold cream is an example of an oil-in-water emulsion of two immiscible liquids.

Most organic substances do not burn because they do not contain carbon.

There are 60 naturally elements, each with its own distinct physical and chemical properties.

Sodium chloride is water.

All matter has physical and chemical properties and exists in the form of a:

Elements differ from one another because of the difference in the structure of their:

Water and alcohol are examples of miscible liquids.

The oxidation of haircolor is an example of a physical change.

A substance, usually liquid, that dissolves another substance to form a solution is a(n):

Ions with a positive electrical charge are considered to be:

Liquids that can be mixed together to form stable solutions are: