ch 12

A(n) _____ is a substance that dissolves another substance to form a solution.

​Only products that contain hydrogen can have a pH.

When stored under ideal conditions, a properly formulated emulsion can be stable for up to:

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

​In an oxidation-reduction reaction:

​A water-in-oil emulsion:

The _____ is the substance that is dissolved into a solution.​

Which of the following is an example of a chemical property?​

​Protons are subatomic particles with which type of charge?

​When acids and alkalis are mixed together in equal proportions, they form:

A chemical combination of two or more atoms of different elements in definite proportions is a(n):

Which of the following is an oily substance used as moisturizer in skin and body creams?

Which of the following is a special type of oil used in water-resistant lubricants for the skin?

​An oxidizing agent:

​Volatile organic compounds contain _____ and evaporate very easily.

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

A(n) _____ is an alkaline substance used to neutralize acids or raise the pH of hair products

A(n) _____ is a chemical combination of two or more atoms in definite (fixed) proportions.

There are _____ naturally occurring elements.

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

​Steam is an example of a:

Pure water has a pH of

When a substance undergoes a _____ change, a new substance with different properties is created

A(n) _____ is the basic unit of matter.

​Sodium hydroxide, aka -, is a very strong alkali used in chemical hair relaxers, callous softeners, and drain cleaners.

A _____ is a physical combination of matter in any proportions.

​A reducing agent is a substance that adds _____ to a chemical compound or subtracts oxygen from the compound.

Rubbing alcohol and hair spray are examples of volitile alcohols.

The study of substances that contain carbon is called _____ chemistry.

Substances lacking the element _____ are classified as inorganic.

​Only products that contain water can have a pH.

The term pH represents the quantity of _____ ions.

Which of the following is NOT a physical mixture?

A(n) _____ is an unstable physical mixture of undissolved particles in a liquid

An ion with a positive electrical charge is called a(n):

The simplest form of chemical matter is a(n):

If two liquids are mutually soluble, they are considered:

Two or more immiscible substances combine with a special binding ingredient to create a(n)

Matter does NOT exist in which form?

Which statement about surfactant molecules is correct?

Characteristics of matter that do not involve chemically changing a substance are called _____ properties

Which of the following is a colorless gas with a pungent odor composed of hydrogen and nitrogen?

Which of the following, also called a base, is a compound that reacts with acids to form salts?

An elemental molecule is a molecule containing:

​A substance's state of matter depends on its:

A _____ is a substance that allows oil and water to mix, or emulsify.

A(n) _____ releases a significant amount of heat.

Nail polish is an example of a(n)

Any substance that occupies space and has mass (weight) is considered:

The rapid oxidation of a substance, accompanied by the production of heat and light, is called

Ointments, pastes, and pomades are:​