Chemistry

There are 60 natural occurring elements, each with its own distinct physical and chemical properties

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:

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

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

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

Water and alcohol are examples of miscible liquids.

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

All hair color products are organic chemicals?

The oxidation of hair color is an example of a physical change

Having an affinity or attraction to fat and oils (oil-loving)

Capable of combining with or attracting water (water-loving)

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

A sweet, odorless, oily substance that is used to perform chemical services in a salon is!

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

Ions with a positive electrical charge are considered to be:

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

Separation of an atom or molecule into positive and negative ions

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

A common volatile organic compound used in hair spray is:

The simplest form of chemical matter that cannot be broken down without the loss of identity is a (n)

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

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

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

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

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

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

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

Sodium chloride is water

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

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

Study of substances that do not contain the element carbon, but may contain the element hydrogen

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

Chemically combining two or more atoms produces a:

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