CH.7 - BASICS OF CHEMISTRY

An example of physical change is :

Conditioners that penetrate the cortex to replace lost keratin are _______ conditioners.

An example of a chemical change is :

A(n) ____ shampoo is formulated to prevent the stripping of permanent haircolor from hair.

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

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

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

Finishing, detangling, and cream rinses are examples of _____ conditioners.

The change that occurs in burning wood through oxidation is a(n) _____ change.

The usual pH range of hair conditioners is ____.

_______ is an example of a chemical compound.

An example of an elemental molecule is :

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

A(n) _____ is a substance that cannot be separated into simpler substances by chemical means.

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

The primary ingredient in styptic powder or liquid is :

________ is considered to be a universal solvent.

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

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

The basic purpose of a cold cream is to:

_______ conditioners are formulated to control minor dandruff and scalp conditions.

The condition of the hair and scalp is most influenced by a shampoo product’s:

______ may have an alcohol content up to 35 percent.

______ is an example of an emulsion.

A substance that is dissolved in a solvent is called a _____.

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

Organic substances contain:

Solutions that soften, swell, or expand the cuticle scales usually have a(n) _____ pH level.

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

A chemical reaction that combines an element or compound with oxygen to produce an oxide is known as ______.

What color do acids turn blue litmus paper?

Organic chemistry is the study of substances that contain the element:

The pH range of hair and skin is:

_______ is a grooming aid that can stimulate the scalp, correct a scalp condition, or be used as a grooming aid.

_____ is an example of an inorganic substance.

Soaps lather easily in the presence of :

The four classifications of compounds are acids, bases, salts, and ______.

An example of a chemical change, such as iron to rust, is:

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

The pH of a water-based solution measures its degree of ______.