stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Chapter 7 Test Flashcards | StudBud
Explore
/
Chapter 7 Test
Chapter 7 Test
48 terms
·
StudBud Administration
·
101 plays
Basic of Chemistry
Flashcards
48 cards
F
Practice quiz
P
Host live
L
Questions
48
Answers
1
A(n) ______ is a suspension of one liquid dispersed in another.
Emulsion
Surfactant
Solution
Solvent
2
What term applies to all living things and those things that were once alive?
matter
Inorganic
element
organic
3
A(n) __________ charged ion is called an anion.
Ionized
Negatively
Naturally
Positively
4
Among the possible ingredients in wrinkle treatment creams are hormones and _________.
Collagen
Glycerin
Starch
Hydrolyzed protein
5
Which of the following are chemical compounds that attract & retain moisture from the atmosphere?
Humectants
Fatty alcohols
Mineral oils
Silicones
6
Oxidation and reduction always occur simultaneously and are referred to as a(n) ______ reaction.
Endothermic
Exothermic
Redox
Rapid oxidation
7
Moisturizing creams are designed to treat ________.
Dandruff
Wrinkles
Dryness
Oil accumulation
8
_______ refers to either the loss of oxygen or the addition of hydrogen.
Reaction
Reduction
Application
Oxidation
9
Styling aids typically consist of polymer & resin formulations that are designed to give the hair body & texture. Ex:
Pomades
Cleansing creams
Scalp lotions
Mousses
10
What chemical compound can exist in all three states of matter depending on its temperature?
Hydrogen
Water
Oxygen
Carbon dioxide
11
Organic chemistry is the study of substances that contain the element _________.
Sulfur
Hydrogen
Oxygen
Carbon
12
Which of the following is defined as anything that occupies space (volume) and has mass (weight)?
Matter
Elements
Molecules
Atoms
13
When oxygen is combined with a substance, the substance is _______.
Oxidized
Blended
United
Reduced
14
What is the average pH for hair & skin?
9
7.5
5
3.5
15
Which of the following are the basic building blocks of all matter ?
Atoms
Electrons
Molecules
Protons
16
What chemical reaction requires the absorption of energy or heat from an external source for the reaction to occur?
Exothermic
Acid-alkali neutralization
Endothermic
Redox
17
Nonaqueous solutions, such as alcohol or oil, do not have _____.
pH
Volume or shape
Their own distinct physical & chemical properties
Mass
18
The letters pH denote ________, which is the relative degree of acidity or alkalinity of a substance.
Partial hydrogen
Potential hydroxide
Potential hydrogen
Partially hydrophilic
19
There are 118 different elements known to science today. How many of these are naturally occurring on earth?
116
50
98
76
20
When using a permanent wave neutralizer, _______.
The waving solution is oxidized
Haircolor gains oxygen from H2O2
H2O2 loses oxygen
Hair is oxidized by removing hydrogen
21
Which of the following remove hair by pulling it out of the follicle?
Epilators
Masks
Depilatories
Packs
22
Rusting iron & burning wood are examples of a change in what type of properties?
Mechanical
Electrical
Physical
Chemical
23
_____ is the most common element found in the known universe.
Sodium
Carbon dioxide
Hydrogen
Oxygen
24
A stable mixture of 2 or more substances that is made by dissolving a solid,liquid,or gaseous substance in another.
Suspension
Solute
Solution
Solvent
25
Gasoline, synthetic fabrics, plastics, & pesticides are all considered organic because they are manufactured from _____.
ammonium thioglycolate acid
subatomic particles
sodium chloride
natural gas and oil
26
Which of the following is an example of pure substance ?
Concrete
Aluminum foil
Powder
Salt water solution
27
An example of physical change is ________.
Rusting iron
Oxidation
Ice melting to water
Burning wood
28
An example of an elemental molecule is ________.
The oxygen in air
Common table salt
Water
Hydrogen peroxide
29
What does a pH below 7 indicate ?
An acidic solution
A neutral solution
A logarithmic solution
An alkaline solution
30
Concentrated protein conditioners are used to _______.
Helps equalize the porosity of the hair shaft
Help close the cuticle scales
Increase the tensile strength of the hair
Help control minor dandruff and scalp conditions
31
Astringents may have an alcohol content of up to what percentages ?
50 percent
35 percent
20 percent
15 perecent
32
Which of the following allows oil & water to mix or emulsify by reducing surface tension?
Surfactant
Solution
Emulsion
Suspension
33
What type of shampoos are mild formulations designed to prevent the stripping of haircolor from the hair ?
Clarifying
pH-balanced
Color-enhancing
Balancing
34
An example of a chemical change is ______.
Ice melting to water
Water changing to ice
The oxidation of haircolor products
Temporary haircolor
35
In hair lightening processes, what substance oxidizes the melanin pigments in hair, leaving the hair a lighter color?
Sodium chloride
Hydrogen peroxide
Water
Ammonium thioglycolate acid
36
An example of an instant conditioner is a ______.
Permanent wave product
Blow drying spray
Dandruff rinse
Detangling rinse
37
Acidbalanced shampoos & normalizing lotions associated with hydrogen hair relaxers work to create what type of reaction?
Exothermic
Redox
Acid-alkali neutralization
Endothermic
38
Acidic solutions tend to _______ the hair.
Swell
Soften
Harden
Relax
39
What common cationic ingredient is used in dandruff shampoos?
Amphoteric I-20
Sodium laureth sulfate
Quaternary ammonium compounds
Cocamide
40
An example of a water-in-oil emulsion is _________.
Cold cream
Mayonnaise
Witch hazel
Calamine lotion
41
As the basic unit of matter, ___ Cannot be divided into simpler substances by ordinary chemical means.
Oxygen
Atoms
Molecules
Water
42
What color do acids turn blue litmus paper?
Yellow
Green
A darker blue
Red
43
_____, also known as alkalis, are compounds of hydrogen, a metal, oxygen.
Acids
Oxides
Bases
Salts
44
_____ shampoos are formulated to make the hair smooth & shiny & to avoid damaging chemically treated hair.
Clarifying
Balancing
Conditioning
Medicated
45
Which are used to stimulate the surface circulation of the scalp, remove loose dandruff, shine, & control to the hair?
Thermal protectors
Hair tonics
Instant conditioners
Medicated conditioners
46
_______ are examples of emulsion used in barbering services.
Shampoos and conditioners
Powders
Soaps
Hair tonics
47
The pH scale measures the concentration of hydrogen ions in acidic & alkaline _____ solutions.
Unstable
Hydrogen peroxide
Liquid
Water-based
48
Metals, minerals, water, air, & ammonia are all examples of ___ substances.
natural
organic
live
inorganic