Chapter 7 Basics of Chemistry

What is the average pH for hair and skin?

An example of an instant conditioner is a ____.

An example of chemical change is ____.

What color do acids turn blue litmus paper?

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

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

____ is the most common element in the know universe.

___ shampoos are forulated to make the hair smooth and shiny to avoid damaging chemically treated hair.

Gasoline, synthetic fabrics, plastics, and pesticides are all considered organic beacuse they are manufactured from ___.

What does a pH below 7 indicate?

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

When using a permanent wave neutralizer, _____.

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

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

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

A ___ is stable, uniform mixture of two more mixable substances.

When oxygen is combined with a substance, the substance is ____.

Acid solutions tend to ___ the hair.

An example of a water-in-oil emulsion is ____.

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

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

Styling aids typically consist of polymer and resin.

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

Acid-balanced shampoos and normalizing lotions associated with hydroxide hair relaxers work to create what of reaction?

What common cationic ingredient is used in dandruff shampoos?

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

Metals, minerals, water, air, and ammonia are all examples of ____ substances.

Concentrated protien conditioners are used to ___.

Among the possible ingredients in wrinkle treatment creams are hormones and ___.

An example of physical change is ____.

The pH scale measures the concentration of hyrdrogen ions in acidic and alkaline ___ solutions.

Oxidization and reduction alwasy occur simutaniously and are reffered to as a(n) ___ reaction.

____ are examples of emulsion used in barbering services.

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

Which of the following is defined as anything that occupies space (volume) and has mass (weight)

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

A(n) ____ charged ions is called an anion.

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

Moisturizing creams are designed to treat ___.

What chemical compound can exsist in all three states of matter depending on its temperature?

What products are used to stimulate the circulation of the scalp, remove dandruff, or impart managable shinny hair?

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

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

What type of chemical reaction requires the absorption of heat from external source?

An example of an elemental molecule is ____.

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

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

Organic chemistry is the study of substances that contain the element ____.