1 Which of the following is defined as anything that occupies space volume and has mass weight
- matter
- elements
- atoms
- molecules
2 there are 118 different elements known to science today how many of these are naturally occurring on earth
3 which of the following are the basic building blocks of all matter?
- atoms
- molecules
- electrons
- protons
4 The letter H stands for the element
- hydrophilic
- hydroxide
- hydrogen
- helium
5 and example of an element Molecule is
- water
- hydrogen peroxide
- the oxygen in air
- common table salt
6as the basic unit of matter _____ cannot be divided into simpler substances by ordinary chemical means
- molecules
- water
- atoms
- oxygen
7 rusting iron and burning wood are examples of a change in what type of properties
- chemical
- electrical
- physical
- mechanical
8 an example of physical changes
- Burning wood
- oxidation
- Ice melting in water
- resting iron
9 an example of a chemical change is
- The oxidation of hair colored products
- water changing to ice
- Temporary haircolor
- I melting into water
10 which of the following is an example of pure substance?
- concrete
- salt water
- salt
- powder
11____, also known as alkalis, are compounds of hydrogen and metal and oxygen
12a____. Is a stable uniform a mixture of two or more mixable substances that is made by dissolving a solid liquid or gaseous in another substance
- solvent
- suspension
- solute
- solution
13 which of the following allows oil and water to mix or a modify by reducing surface tension?
- emulsion
- solution
- suspension
- surfactant
14 an example of a water and oil emulsion is
- cold cream
- witch hazel
- Mayonnaise
- calamine lotion
15___ for examples of emulsions used in beauty services
- shampoo and conditioners
- astringents
- powders
- soaps
16 The tale of a surfactanr molecule is ___ or oil loving
- hydrophilic
- immiscible
- miscible
- lipophilic
17 No polish with glitter that can separate from the polish is an example of an
- Solution
- mixture
- emulsion
- suspension
18 water in oil emulsion feels ____ then oil and water emulsion
- hotter
- greasier
- water
- colder
19____ is the ingredient used to rise the pH in hair products to allow the solution to penetrate the hair shaft
- amino acid
- an alkaline solution
- AHA (alpha Hydroxy acid
- ammonia
20 volatile Organic compounds contain ___ and evaporate very easily
- hydrogen
- carbon
- oxygen
- nitrogen
21______. is the chemical reaction that combines a substance with oxygen to produce an oxide
- lonization
- oxidation
- combustion
- reduction
22the ph scale is
- mathematic
- logarithmic
- linear
- arithmetic
23an_______ charged ion is called in anion
- naturally
- positively
- negatively
- neutrally
24 The peach scale measures the concentration of hydrogen ions in acidic and alkaline blank ____ solutions
- Water based
- liquid
- unstable
- Hydrogen peroxide
25 What does a pH below 7 indicate
- an neutral solution
- alkaline solution
- logarithermic solution
- an acidic solution
26 The letters ph denote,________ which is the relative degree of acidity or alkaline of a substance?
- Partially Hydrophilic
- potential hydrogen
- partial hydrogen
27 nonaqueous solutions, such as alcohol or oil do not have__
- Volume Or shape
- pH
- mass
- Their own distinct physical and chemical properties
28 What’s the average pH for hair and skin
29 Acidic solutions tend to ____ the hair
30_____ refers to either the loss of oxygen or the addition of hydrogen
- reaction
- Application
- oxidation
- reduction
31 Oxygen is combined with the substance the substance is
- reduced
- oxidized
- United
- blended
32Oxidation and reduction always occur simultaneously and are referred to as a(n)—- reaction
- rapid oxidation
- redox
- endothermic
- exothermic
33 What type of chemical reaction requires the absorbtion of energy or heat from the external source for the reaction to actually occur?
- redox
- acid alkali neutralization
- exothermic
- endothermic
34 What type of chemical reaction bounces pH and results in the production of water and salt?
- acid-alkli neutralization
- endothermic
- redux
- exothermic
35the SDS contains______ categories of information
36 On a safety data sheet with category will include exposure, related symptoms, and acute and chronic effects
- Toxicology information
- stability and reactivity
- physical and chemical properties
- ecological information
37 As a part of the SDS categories first aid measures include import symptoms/effects as well as
- containment and cleanup
- product use
- use restrictions
- required treatment
38 On safety, data sheets, emergency procedures, protective equipment, and proper methods of containment and cleanup are listed as
- first aid measures
- toxicology information
- accidental release measures
- exposure control/personal protection
39 As the part of the SDS categories, handling and storage less precautions for safe handling and storage include
- reactions
- incapabilities
- identifiers
- ingredients
40 The location you use for mixing chemicals, must be
- this is well only two managers
- Well ventilated
- kept that 98°F
- un locked at all times