Chapter 7: Basics of Chemistry

Rusting iron and burning wood are examples of a change in what type of properties?

Moisturizing creams are designed to treat

An example of a water-in-oil emulsion is

Which of the following remove hair by pulling it out of the follicle?

As the basic unit of matter, ______ cannot be divided into simpler substances by ordinary chemical means.

What is the average pH for hair and skin?

Which of the following is an example of a pure substance?

A ____ is a uniform mixture of mixable substances by dissolving a solid, liquid, or gas substance into another substance

Oxidation and reduction always occur simultaneously and are referred to as a(n) __________ reaction

Which of the following are the basic building blocks of all matter?

A(n) ______ is a suspension of one liquid dispersed in another.

What type of shampoos are mild formulations designed to prevent the stripping of haircolor from the hair?

In hair lightening processes, what substance oxidizes the melanin pigments in hair, leaving the hair a lighter color?

Astringents may have an alcohol content of up to what percentage?

What color do acids turn blue litmus paper?

Which of the following are chemical compounds that attract and retain moisture from the atmosphere?

An example of physical change is

There are 118 different elements known to science. How many of these are naturally occurring on Earth?

Which is defined as anything that occupies space (volume) and has mass (weight)?

_________ is the most common element found in the known universe.

_______ refers to either the loss of oxygen or the addition of hydrogen.

Which of the following allows oil and water to mix or emulsify by reducing surface tension?

Styling acids consist of polymer & resin formulations that are designed to give hair body & texture. An example is

Organic chemistry is the study of substances that contain the element

What common cationic ingredient is used in dandruff shampoos?

A(n) _______ charged ion is called an anion.

What chemical reaction requires the absorption of energy or heat from an external source for the reaction to occur?

Metals, minerals, water, air, and ammonium are all examples of ________ substances.

Among the possible ingredients in wrinkle treatment creams are hormones and

Acid-balanced shampoos & normalizing lotions associated w/ hydroxide hair relaxers work to create what type of reaction?

Nonaqueous solutions, such as alcohol or oil, do not have

What term applies to all living things and those things that were once alive?

Gasoline, synthetic fabrics, plastics, and pesticides are all considered organic because they are manufactured from

Concentrated protein conditioners are used to

An example of an elemental molecule is

An example of a chemical change is

_______ shampoos are formulated to make the hair smooth and shiny and to avoid damaging chemically treated hair.

When oxygen is combined with a substance, the substance is

Acidic solutions tend to _______ the hair.

When using a permanent wave neutralizer, ________

An example of an instant conditioner is a

Products used to stimulate circulation of the scalp, remove loose dandruff, impart manageability, shine & control hair?

The letters pH denote ________, which is the relative degree of acidity or alkalinity of a substance.

What does a pH below 7 indicate?

The pH scale measures the concentration of hydrogen ions in acidic and alkaline _______ solutions.

_______, also known as alkalis, are compounds of hydrogen, a metal, and oxygen.

________ are examples of emulsions used in barbering services.

What chemical compound can exist in all three states of matter depending on it’s temperature?