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Esthetics chemistry 102.6-102.9 Flashcards | StudBud
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Esthetics chemistry 102.6-102.9
Esthetics chemistry 102.6-102.9
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1
Solutions that are acidic or alkaline can be dissolved in and/or contain what?
Salt
Carbon
Water
Hydrogen
2
Mixtures of two of more kinds of molecules, having a tendency to separate when left standing, are known as:
Ointments
Emulsions
Suspensions
Solution
3
What is the most common element in the universe?
Oxygen
Sulfur
Nitrogen
Hydrogen
4
Two or more atoms joined together by a chemical bond is a/an:
Electron
Neutron
Molecule
Protein
5
Protons have which type of electrical charge?
Positive
None
Neutral
Negative
6
A substance that is able to dissolve another substance is called what?
Solvent
Ointment
Emulsion
Powder
7
Water molecules have 2 hydrogen atoms and one
Sulfur atom
Helium atom
Nitrogen atom
Oxygen atom
8
Many products esthetician’s use are the result of chemically uniting two different elements, which is known as:
Molecule
Atom
Compound
Mixture
9
What does PH stand for?
Potential hydroxide
Product hydration
Potential hydrogen
Perfect hair
10
What has enzymes or an acids, that works in conjunction with other ingredients to remove dead skin cells?
Massage cream
Chemical exfoliant
Mechanical exfoliant
Cleansing lotion
11
What is the chemical symbol for carbon?
Ca
Co
C
FB
12
Which of the following ingredients are likely to block or clog pores?
Comedogenic
Antibacterial
Hypoallergenic
Non-comedogenic
13
A PH of 5 is how many times more acidic than a PH of 6?
100
1.5
1000
10
14
What happens when an alkali is placed in water?
Alkali decreases the concentration of hydrogen ions
There are fewer “loose” OH-ions
They neutralize each other
Alkali increases the concentration of hydrogen ions
15
What kind of electrical charge do electrons have?
Negative
Neutral
None
Positive
16
Which type of toner has the lowest percentage of alcohol content?
Tonic
Toning lotion
Freshener
Astringent
17
Which of the following cosmetic classifications requires sifting until free of coarse, gritty practicals?
Powder
Suspension
Ointment
Emulsion
18
What step in the basic skin care regimen s specifically designed to remove dirt, oil, makeup and environmental pollutant
Protecting
Cleansing
Moisturizing
Toning
19
All matter that is not alive, has never been alive and does not contain carbon falls within the study of:
Anatomy
Inorganic chemistry
Organic chemistry
Physics
20
What taste do acids tend to taste?
Bitter
Sweet
Salty
Sour
21
What type of mask seals the skin, locking in moisture and creating a firm, taut feeling after removal?
Paraffin mask
Clay/mud mask
Thermal mask
Peel-off mask
22
In the process of making a glass of Kool-Aid, what would the powder mix represent?
A concentrated solution
Solvent
Solute
A dilute solution
23
What is the study of matter?
Anatomy
Physiology
Esthetics
Chemistry
24
What kind of ingredients are responsible for producing the desired effects?
Delivery
Performance
Functional
Organic
25
Most skin care products used by esthetician’s and guests fall into what category?
Gels
Powders
Mixtures
Soaps
26
Which of the following is an example of an emulsion?
Cleansing bars
Eye gel
Cleansing creams
Deodorants
27
SPF testing is based on which type of UV rays?
UVD
UVB
UVA
UVC
28
Ingredients that are designed to dissolve keratin proteins on the surface of the skin are called?
Enzymes
Lighteners
Vitamins
Color agents
29
Why is a sink a solid?
It has definite weight, volume, and shape
It has definite weight and volume but no definite shape
It has indefinite weight, volume, and shape
It has definite weight but indefinite volume and shape
30
How are ingredients listed on a product label?
Descending order by weight concentration
Lowest weight concentration listed first
Ascending order by weight concentration
Highest weight concentration listed last
31
On the PH scale, numbers less than 7 indicate a/an:
Alkaline solution
Acidic solution
Neutral solution
Chemical solution
32
Basic substances that cannot be broken into simpler substances are called:
Molecules
Compounds
Solids
Elements
33
An ingredient used in skin care products to mask or cover odor of raw ingredients?
Water
Fatty alcohol
Fragrance
Hydroxy acid
34
Atoms that are the same form a/an:
Element
Emulsion
Compound
Mixture
35
What is the smallest complete unit of an element?
Atom
Compound
Molecule
Amino acid
36
Ingredients that destroy bacteria that cause problems such as acne or other infections are known as?
Antibacterial
Antioxidants
Antimicrobial
Antifungal
37
Neutrons have high type of electrical charge?
Chemical
Positive
Negative
None
38
What is the PH range of hair, skin and nails?
7.5 to 10.5
6.5 to 7.0
4.5 to 5.5
11.5-12.0
39
Water freezing and becoming ice is an example of what type of change?
Physical
Chemical
Elemental
Molecular
40
What term means anything that occupies space and has weight?
Solid
Matter
Gas
Organic