Chapter 12 Basics of Chemistry

Substances lacking the element _____ are classified as inorganic.

​An oxidizing agent:

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

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

Pure water has a pH of:

​Steam is an example of a:

Which of the following is NOT a physical mixture?

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

Ointments, pastes, and pomades are:​

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

Rubbing alcohol and hair spray are examples of:

​In an oxidation-reduction reaction:

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

There are _____ naturally occurring elements.

​Protons are subatomic particles with which type of charge?

The term pH represents the quantity of _____ ions.

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

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

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

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

An elemental molecule is a molecule containing:

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

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

​Volatile organic compounds contain _____ and evaporate very easily.

​Only products that contain _____ can have a pH.

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

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

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

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

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

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

Nail polish is an example of a(n):

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

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

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

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

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

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

If two liquids are mutually soluble, they are considered:

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

Which statement about surfactant molecules is correct?

Matter does NOT exist in which form?

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

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

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

​Sodium hydroxide, commonly known as _____, is a very strong alkali used in chemical hair relaxers and callous softeners

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

​A water-in-oil emulsion:

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

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