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Esthetician Chapter 7 Chemistry of Matter Flashcards | StudBud
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Esthetician Chapter 7 Chemistry of Matter
Esthetician Chapter 7 Chemistry of Matter
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1
All of the following statements about solutions are true EXCEPT:
the solid part is called the solvent
the dissolved part is called the solute
cosmetic products tend to use water as the solvent
organic substances are not soluble in water
2
Which of the following is NOT one of the three major biochemical compound groups in the body?
carbohydrates
proteins
acid mantle
lipids
3
What is the even dispersion of a solid substance in a liquid base called?
Solution
Suspensions
solvent
saturation
4
what types of atoms are not missing any electrons in their outermost orbit shell?
stable atoms
unstable atoms
Compound atoms
molecules
5
The solid, or dissolved part, of a solution is called the:
suspension
solute
saturation point
solvent
6
The chemical behavior of an atom depends mostly on the:
number of neutrons only
number of electrons in the outermost shell
number of neutrons and protons in the nucleus
number of electrons only
7
All of the following statements about amino acids are true EXCEPT:
there are 22 common amino acids
they consist of carbon, oxygen, hydrogen and nitrogen
they dissolve and break down large molecules
they join together in chains to form proteins
8
Which of the following may contain salts such as calcium and magnesium?
soft water
Glucoses
hard water
Moisturizers
9
The process of a solid or gas changing state without becoming a liquid is known as:
Physical change
Sublimation
Chemical change
Energy
10
Which of the following examples of silicone makes a product feel soft, especially sunscreens?
dimethicone copolyol
cyclomethicone
propylparaben
dimethicone
11
Which of the following release a hydrogen ion and are positively charged?
alkalines
acids
potential hydrogen
bases
12
Which of the following allow for the suspension of small particle solids in a base by creating a supporting structure
emollients
Botanicals
Humectants
thickeners
13
The type of chemistry that deals with all matter that is now living or was alive at one time is known as:
organic chemistry
inorganic chemistry
active chemistry
biochemistry
14
What is the liquid part of a solution called?
solute
saturation point
suspension
solvent
15
Which ingredient listed below is compatible with both water and oil?
Humectants
emulsifier
Surfactants
fatty acid
16
All of the following statements about the Period Table of Chemical Elements are true EXCEPT:
Dmitri Mendeleev and Lothar Meyer found ways of arranging elements
there are 92 naturally occurring elements
the atomic number is the primary basis for organization
the unifying concept used to organize elements is called scientific shortha
17
Which of the following items contains very few minerals?
cold water
soft water
hard water
hot water
18
What number identifies how many protons are in a single atom of an element on the periodic table?
chemical number
electron number
hydrogen number
atomic number
19
ingredients used in types of treatment products to prevent skin inflammation and damage due to free radicals are
comedogenics
Antibacterial
Hypoallergenic
antioxidants
20
Which of the following are materials that dissolve and break down large molecules into smaller ones?
amino acids
enzymes
proteins
lipids
21
When positive and negative ions join, they are held together by a(n):
covalent bond
compound
oxidation-reduction reaction
ionic bond
22
he type of chemistry that deals with matter that was never living and does not contain carbon is called:
inorganic chemistry
organic chemistry
biochemistry
active chemistry
23
Organic acids extracted from a variety of natural sources such as fruits, sugar and milk are called:
hydroxy acids
dimethicone copolyol
Enzymes
Vitamins
24
A simple unit of a carbohydrate is called a:
polysaccharide
monosaccharide
disaccharide
saccharide
25
You can keep your clients’ skin in top shape by doing all of the following EXCEPT:
selecting and recommending the right product for home care
reading labels knowledgeably
treating each client with products that balance the individual’s pH
using harsh soaps and cleansers without a toner or moisturizer
26
Which of the following is created by chemically uniting two different elements?
compound
molecule
atom
element
27
Which of the following ingredients are commonly used to deliver a variety of benefits to the skin?
coloring agents
lighters
Botanicals
Vitamins
28
A mixture of two or more compounds in which each component is evenly dispersed is called a:
solution
suspension
powder
gel
29
Which of the following terms identifies the unit of measurement that shows if a substance is acidic, neutral or alkaline
pH
Positive ion
base
Negative ion
30
What ingredient is used in cosmetic products to keep them firm, yet soft and easy to apply to the skin?
emollients
fatty acids
humectants
surfactants
31
What is the smallest particle of a compound that contains all of the chemical properties of that compound?
molecule
atom
neutron
element
32
The unifying concept used to organize elements and their similarities is called the:
atomic number
periodic law
element
periodic table
33
How many naturally occurring elements are there?
80
92
105
93
34
Of the following products, which is a finely ground solid that is mixed evenly with additional ingredients?
Aerosols
Ointments
powders
gels
35
All of the following statements about compounds are true EXCEPT:
created by the union of two different elements
more than four million chemical compounds have been identified
have unique chemical and physical characteristics
are basic units of matter that cannot be broken down into simpler substanc
36
Which of the following is a process in which a substance gains an electron and oxygen is released?
ionic bonding
oxidation
reduction
covalent bonding
37
Which of the following ingredients are in cosmetic products to maintain microbiological integrity or product
quality
viscosity modifiers
chelating agents
thickeners
preservatives
38
All of the following statements about carbohydrates are true EXCEPT:
they contain a combination of carbon, hydrogen and nitrogen arranged in a c
the are used by the body to store energy
they play a key role in metabolism
the include monosaccharide such as glucose
39
Which of the following cosmetic ingredients is considered a drug product under FDA guidelines?
sunscreen
fragrance
antioxidant
lightener
40
The molecular weight of each element is determined by the:
neutrons and electrons
protons and electrons
protons
protons and neutrons
