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Pivot Point 102.E Chemistry, Matter and pH Flashcards | StudBud
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Pivot Point 102.E Chemistry, Matter and pH
Pivot Point 102.E Chemistry, Matter and pH
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1
Which of the following statements describes how human hair is formed?
Amino acids cause a simple physical change
Salt bonds connect to amino acids
Hydrogen bonds create a chemical change
Linking together of protein groups
2
WHAT COLOR DOES RED LITMUS PAPER TURN WHEN PLACED IN AN ALKALI?
WHITE
ORANGE
GREEN
BLUE
3
Carbon, oxygen, hydrogen and nitrogen form the basis of?
Compounds
Amino acids
Elements
Mixtures
4
Water freezing and becoming ice is an example of what type of change?
Chemical
Molecular
Physical
Elemental
5
pH BALANCED REFERS TO A PRODUCT THAT RANGES FORM A pH OF?
11.5-12
6.5-7
4.5-5.5
7.5-10.5
6
Which bonds found in the hair can be easily broken by heat or water?
Hydrogen bonds
Peptide bonds
Disulfide bonds
Van der waals forces
7
What is the side bond that is of the greatest concern to the salon professional?
Disulfide bond
Van der waals forces
Hydrogen bond
Salt bond
8
Atoms that are the same form a(n)?
Element
Compound
Emulsion
Mixture
9
Substances of acidic or alkaline nature dissolve in water and/ or contain?
Carbon
Hydrogen
Salt
Water
10
Two or more of the same atoms joined together by a chemical bond is a?
Molecule
Electron
Protein
Neutron
11
HAIR COMPRISES TWO SOLIDS WHICH ARE CARBON AND SULFUR AND THREE GASES WHICH ARE HYDROGEN, NITROGEN AND?
PROPANE
OXYGEN
HELIUM
NEON
12
A pH of five is how many more times acidic than a pH of six?
1000
1.5
10
100
13
WHICH COLOR DOES BLUE LITMUS PAPER TURN WHEN PLACED IN AN ACID?
RED
WHITE
ORANGE
GREEN
14
Hair consists of 97%?
Electrons
Trace minerals
Keratin
Protons
15
NEUTRONS HAVE WHICH TYPE OF ELECTRICAL CHARGE?
CHEMICAL
NEGATIVE
NONE
POSITIVE
16
MATTER WITH DEFINITE WEIGHT AND VOLUME BUT NO DEFINITE SHAPE IS CALLED?
ORGANIC
LIDUID
GAS
SOLID
17
WHICH BOND IS THE BACKBONE OF ALL PROTEIN MOLECULES?
SALT
PEPTIDE
HYDROGEN
KERATIN
18
WHAT IS CREATED WHEN AMINO ACIDS JOIN TOGETHER IN CHAINS?
COMPOUNDS
ELEMENTS
CHEMICALS
PROTEINS
19
Which of the following is NOT an example of a physical change?
Performing a haircut
Performing a thermal style
Iron changing to rust
Shattering a piece of glass
20
A solution that has more positive hydrogen ions than negative hydroxide ions is?
Slightly alkaline
Neutral
Alkaline
Acidic
21
THE BONDS FOUND WITHIN HAIR THAT HELP ORGANIZE PROTEIN CHAINS IN ORDER TO BUILD HAIR ARE CALLED?
VAN DER WAALS FORCES
SIDE BONDS
WATER BONDS
IONIC BONDS
22
WHEN TWO HYDROGEN ATOMS COMBINE WITH ONE OXYGEN ATOM, THE RESULT IS A WATER MOLECULE, WHICH IS A?
COMPOUND
ATOM
ELEMENT
MIXTURE
23
Basic substances that cannot be broken down into simpler substances are called?
Compounds
Molecules
Solids
Elements
24
PROTONS HAVE WHICH TYPE OF ELECTRICAL CHARGE?
NEUTRAL
NEGATIVE
NONE
POSITIVE
25
When two hydrogen atoms combine with one oxygen Atom, the result is a water molecule, which is a?
Compound
Element
Atom
Mixture
26
THE TERM USED TO IDENTIFY ANYTHING THAT OCCUPIES SPACE AND HAS WEIGHT IS CALLED?
ORGANIC
GAS
MATTER
SOLID
27
WHAT IS THE pH RANGE OF HAIR, SKIN AND NAILS?
6.5-7
11.5-12
7.5-10.5
4.5-5.5
28
WHICH OF THE FOLLOWING ITEMS HAS/HAVE DEFINITE WEIGHT AND VOLUME BUT NO DEFINITE SHAPE?
ICE CUBE
OXYGEN
CONDITIONERS, SOLUTIONS AND SHAMPOOS
HAIR
29
ALL MATTER THAT IS NOT ALIVE, HAS NEVER BEEN ALIVE AND DOES NOT CONTAIN CARBON FALLS WITHIN THE STUDY OF?
PHYSICS
INORGANIC CHEMISTRY
ORGANIC CHEMISTRY
ANATOMY
30
DISTILLED WATER WITH A pH OF 7 IS CONSIDERED?
NEUTRAL
A SALT
AN ALKALI
AN ACID
