Red
The branch of science that applies to substances that contains carbon is called _____ chemistry.
a. inorganic
b. organic
c. environmental
d. structural
What is organic
All haircolor products are organic chemicals, which means they ____.
a. are natural and healthy
b. contain non-synthetic ingredients
c. contain carbon and hydrogen
d. lack carbon but may cantain hydrogen
What is contain carbon and hydrogen
A characteristic of all inorganic substances is that they _____.
a. burn easily
b. contain hydrogen
c. are derived from living things
d. lack carbon
What is lack carbon
There are ____ naturally occuring elements, each with its own distinct physical and chemical properties.
a. 68
b. 98
c. 118
d. 138
What is 98
The baisc unit of matter, with a nucleus at the center surrounded by negatively charged electrons that move around the nucleus in orbits, is a(n) _____.
a. atom
b. ion
c. proton
d. neutron
What is atom
Chemically combining two or more atoms produces a _____.
a. mixture
b. substance
c. molecule
d. miscible
What is molecule
The chemical combination of two or more atoms of different elements prooduces a(n) _____.
a. compound
b. solution
c. neutral
d. acid
What is compound
Sodium chloride is an example of a(n) _____.
a. compound molecule
b. atom
c. element
d. mineral
what is compound molecule
What state of matter has a definite volume but takes the shape of its container?
a. solid
b. gas
c. liquid
d. vapor
what is liquid
What is an example of a chemical property?
a. solubility
b. density
c. ability to rust
d. boiling point
what is ability to rust
Change in the form of a substance that does not cause a chemical rection is a(n) _____ change.
a. anion
b. chemical
c. matter
d. physical
what is physical
The oxidation of haircolor is an example of a _____.
a. physical change
b. chemical change
c. reversible change
d. change in the state of matter
what is chemical change
Chemical reactions that are characterized by giving off heat are _____.
a. neutralized
b. acidic
c. oxidized
d. exothermic
what is exothermic
The rapid oxidation of a substance, accompanied by the production of heat and light, is known as _____.
a. implosion
b. combustion
c. entropy
d. synthesis
what is combustion
A chemical combination of matter in definite (fixed) proportions is a ______.
a. physical mixture
b. physical blend
c. pure substance
d. pure combination
what is pure substance
Air contains many substances, including nitrogen, carbon dioxide, and water vapor, and is an example of a ______.
a. physical mixture
b. chemical change
c. pure substance
d. chemical compound
what is physical mixture
A stable physical mixture of two or more substances in a solvent is a(n) _____.
a. blend
b. solute
c. solution
d. emulsion
what is solution
A substance, usually liquid, that dissolves another substance to form a solution is a(n) ____.
a. solvent
b. immiscible
c. solute
d. solid
what is solvent
Water and alcohol _____.
a. are insoluble substances
b. form a suspension when mixed together
c. form distinct layers when combined
d. are examples of miscible liquids
what are examples of miscible liquids
An unstable physical mixture of two or more immiscible substances is a(n) _____.
a. synthesis
b. emulsion
c. suspension
d. solution
what is emulsion
Substances that allow oil and water to mix, or emulsify, are ____.
a. suspensions
b. mixtures
c. particles
d. surfactants
what are surfactants
Being "capable of combining with or attracting water (water-loving)" is defined as ____.
a. lipophilic
b. halophilic
c. hydrophilic
d. acidophilic
what is hydrophilic
"having an affinity or attraction to fat and oils (oil loving)" is defined as _____.
a. lipophilic
b. oligophilic
c. lyophilic
d. oxyphilic
What is lipophilic
Substances used to neutralize acids or raise the pH of many hair products are _____.
a. volatile alcohols
b. carbons
c. alkanolamines
d. silicones
what are alkanolamines
What is an example of an ammonia compound that is used to perform chemical services in a salon?
a. ionization hydroxide
b. ammonium hydroxide
c. cetyl alcohol
d. silicone solutions
what is ammonium hydroxide