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Chapter 12: Basics of Chemistry Flashcards | StudBud
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Chapter 12: Basics of Chemistry
Chapter 12: Basics of Chemistry
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1
A chemical combination of matter in definite (fixed) proportions is a ______.
Pure combination
Physical mixture
Physical blend
Pure substance
2
Substances used to neutralize acids or raise the pH of many hair products are ________.
Volatile alcohols
Alkanolamines
Carbons
Silicones
3
Being “capable of combining with or attracting water (water-loving)” is defined as _______.
Hydrophilic
Acidophilic
Halophilic
Lipophilic
4
What is an example of an ammonia compound that is used to perform chemical services in a salon?
Ammonium hydroxide
Cetyl alcohol
Ionization hydroxide
Silicone solutions
5
There are _____ naturally occurring elements, each with its own distinct physical and chemical properties.
138
118
68
98
6
A stable physical mixture of two or more substances in a solvent is a(n) ________.
Blend
Emulsion
Solution
Solute
7
A substance, usually liquid, that dissolves another substance to form a solution is a(n) ________.
Solute
Immiscible
Solid
Solvent
8
“Having an affinity or attraction to fat and oil (oil-loving) is defined as ______.
Oxyphilic
Oligophilic
Lyophilic
Lipophilic
9
What type of chemical reaction results in the oxidizing agent being reduced and the reducing agent being oxidized?
Redox
Decomposition
Simple displacement
Neutralization
10
Water and alcohol ______.
Form distinct layers when combined
Are insoluble substance
Are examples of miscible liquids
Form a suspension when mixed together
11
What is an example of a chemical property?
Density
Ability to rust
Solubility
Boiling point
12
An atom or molecule that carries an electrical charge is a(n) ________.
Conductor
Current
Ion
Electrolyte
13
A common volatile organic compound used in hair spray is ________.
Ionized water
Ethyl alcohol
Hydrogen peroxide
Ammonia water
14
The basic unit of matter, with a nucleus at the center surrounded by negatively charged electrons, is a(n)_____.
Ion
Neutron
Atom
Proton
15
Sodium chloride is an example of a(n) _____.
Element
Mineral
Atom
Compound molecule
16
The simplest form of chemical matter that cannot be broken down without the loss of identity is a(n)_______.
Energy
Mineral
Substance
Element
17
What state of matter has a definite volume but takes the shape of its container?
Solid
Vapor
Liquid
Gas
18
An unstable physical mixture of two or more immiscible substances is a(n) ________.
Synthesis
Suspensions
Solution
Emulsion
19
Change in the form of a substance that does not cause a chemical reaction is a(n) ______ change.
Physical
Matter
Anion
Chemical
20
What is the study of substances that lack the element carbon, but may contain the element hydrogen?
Stereochemistry
Inorganic chemistry
Biochemistry
Physical chemistry
21
The rapid oxidation of a substance, accompanied by the production of heat and light, is known as ____.
Synthesis
Entropy
Implosion
Combustion
22
The chemical combination of two or more atoms of different elements produces a(n) ______.
Neutral
Compound
Solution
Acid
23
An ion with a positive electrical charge is considered to be ________.
An anion
Neutral
A cation
Nonaqueous
24
Chemically combining two or more atoms produces a _____.
Molecule
Substance
Miscible
Mixture
25
All hair color products are organic chemicals, which means they ______.
Contain non-synthetic ingredients
Are natural and healthy
Lack carbon but may contain hydrogen
Contain carbon and hydrogen
26
A solution with a pH value of seven indicates a(n) _______ solutions.
Neutral
Volatile
Alkaline
Acidic
27
A sweet, colorless, oily substance that is used as a moisturizer in skin and body creams is ________.
Alkanolamines
Silicone
Ammonia
Glycerin
28
Mutually soluble liquids that can be mixed together to form clear solutions are ____.
Compatible
Miscible
Fusible
Solvents
29
What is an example of an oil-in-water emulsion of two immiscible liquids?
Glycerine
Silicone
Nail primer
Cold cream
30
The oxidation of haircolor is an example of a ______.
Chemical change
Change in state of matter
Reversible process
Physical change
31
Substances that allow oil and water to mix, or emulsify, are ______.
Suspensions
Mixtures
Surfactants
Particles
32
The branch of science that applies to substances that contain carbon is called _____ chemistry.
Environmental
Organic
Inorganic
Structural
33
Chemical reactions that are characterized by giving off heat are ______.
Oxidized
Neutralized
Exothermic
Acidic
34
A characteristic of all inorganic substances is that they _____.
Burn easily
Lack carbon
Are derived from living things
Contain hydrogen
35
What term refers to the separation of an atom or molecules into positive and negative ions?
Ionization
Dissolution
Aeration
Deionization
36
Air contains many substances, including nitrogen, carbon dioxide, and water vapor, and is an example of a ____.
Pure substance
Chemical compound
Physical mixture
Chemical change