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Chemistry! - ch 7 Flashcards | StudBud
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Chemistry! - ch 7
Chemistry! - ch 7
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#Chemistry review!
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
Which type of silicone gives products lubricity, or "slip"?
hydroxy acids
cyclomethicone
dimethicone copolyol
dimethicone
2
Anything that occupies space is called:
matter
chemistry
combustion
energy
3
What ingredient helps to prevent moisture loss from evaporation?
emollient
surfactant
preservative
antioxidant
4
A simple unit of a carbohydrate is called a:
monosaccharide
polysaccharide
disaccharide
saccharide
5
What are materials that dissolve and break down large molecules into smaller ones?
enzymes
lipids
proteins
amino acids
6
Which of the following release a hydrogen ion and are positively charged?
alkalines
bases
acids
potential hydrogen
7
Which of the following is known as the universal solvent?
alcohol
water
acid
salt
8
The solid, or dissolved part, of a solution is called the:
suspension
saturation point
solvent
solute
9
The ability to do work to accomplish some change is called:
transformation
matter
change
energy
10
What skin care emulsion is used to provide moisture to the skin?
lotion
ointment
powder
emulsifier
11
What types of atoms are not missing any electrons in their outermost orbit shell?
unstable atoms
stable atoms
molecules
compound atoms
12
What allows for the suspension of small particle solids in a base?
thickeners
botanicals
emollients
humectants
13
Which of the following is created by chemically uniting two different elements?
element
compound
molecule
atom
14
The chemical behavior of an atom depends mostly on the:
number of electrons in the outermost shell
number of neutrons only
number of electrons in the innermost shell
number of neutrons and protons in the nucleus
15
The study of chemical reactions that occur within a living organism is called:
anatomy
biochemistry
inorganic chemistry
organic chemistry
16
What type of chemistry deals with all matter that is now living or was alive at one time?
biochemistry
active chemistry
organic chemistry
inorganic chemistry
17
Thousands of amino acids connected lengthwise are known as a:
polypeptide chain
polymer
peptide chain
monomer
18
What are the basic materials that the body uses to construct and renew itself?
saccharides
lipids
carbohydrates
proteins
19
What is the liquid part of a solution called?
suspension
solvent
saturation point
solute
20
A bond uniting two amino acid groups is a:
monomer
peptide chain
polymer
polypeptide chain
21
The process of a solid or gas changing states without becoming a liquid is known as:
physical change
energy
chemical change
sublimation
22
Matter with definite weight, but indefinite volume and shape are:
gases
compounds
liquids
solids
23
What is the even dispersion of a solid substance in a liquid base called?
saturation
suspension
solvent
solution
24
What skin renewing agent was introduced in 1997 as a skin regeneration accelerator?
alpha hydroxy acids
copper peptides
malic acids
beta hydroxy acids
25
What ingredient is compatible with both water and oil?
emulsifier
fatty acid
surfactant
humectant
26
What is the term used to describe a base?
alkaline
hydrogen
logarithmic
acid
27
What is a process in which a substance gains an electron and oxygen is released?
oxidation
covalent bonding
reduction
ionic bonding
28
Which of the following have a negative electrical charge?
elements
neutrons
electrons
protons
29
How many naturally occurring elements are there?
90
22
82
92
30
Molecules that contain many carboxyl groups in the same chain are:
alpha hydroxy acids
malic acids
poly hydroxy acids
beta hydroxy acids