CHAPTER 7 TEST FOR ORGANIC
CHEMISTRY QUESTIONS WITH
COMPLETE SOLUTIONS
an example of chemical changes is __________
A. water changing to ice
B. ice melting to water
C. the oxidation of haircolor products
D. temporary haircolor - Answer-C. the oxidation of haircolor products
__________ refers to either the loss of oxygen or the addition of hydrogen.
A. application
B. reduction
C. reaction
D. oxidation - Answer-B. reduction
when using a permanent wave neutralizer_________.
A. H2O2 loses oxygen
B. the waving solution is oxidized
C. haircolor gains oxygen from H2O2
D. hair is oxidized by removing hydrogen - Answer-D. hair is oxidized by removing
hydrogen
when oxygen is combined with a substances, the substances is ___________.
A. oxidized
B. reduced
C United
D. blended - Answer-A. oxidized
oxidation and reduction always occur simultaneously and are referred to as a
________ reaction
A. rapid oxidation
B. endothermic
C. redox
D. endothermic - Answer-C. redox
what type of chemical reaction requires the absorption of energy or heat from an
external source for the reaction to actually occur?
A. endothermic
B. acid-alkali neutralization
C. exothermic
D. redox - Answer-A. endothermic
which of the following is an example of a pure substances?
A. concrete
B. Aluminum foil
C powder
, D. salt water solution - Answer-B. Aluminum foil
___________, also know as alkalis, are compounds of hydrogen, a metal, and
oxygen.
A. oxides
B. salts
C. Acids
D. bases - Answer-D. bases
what color do acids turn blue litmus paper?
A. darker blue
B. red
C. green
D. yellow - Answer-B. red
a_________ is a stable, uniform mixture of two or more mixable substances that is
made by dissolving a solid, liquid, or gaseous substances in another substances.
A suspension
B. solvent
C. solution
D solute - Answer-C. solution
which if the following allows oil and water to mix or emulsify by reducing surface
tension?
A. surfactant
B suspension
C emulsion
D. solution - Answer-C emulsion
an example of a water-in-oil emulsion is _________.
A. Calamine lotion
B. mayonnaise
C. witch hazel
D. cold cream - Answer-D. cold cream
_________ are examples of emulsions used in barbering services
A. powders
B. shampoos and conditioners
C. hair tonics
D. soaps - Answer-B. shampoos and conditioners
A_________ is so suspension of one liquid dispersed in another.
A. emulsion
B. surfactant
C. solution
D. solvent - Answer-B. surfactant
A ___________ charged ion is called an anion.
A. positively
B. ionized
CHEMISTRY QUESTIONS WITH
COMPLETE SOLUTIONS
an example of chemical changes is __________
A. water changing to ice
B. ice melting to water
C. the oxidation of haircolor products
D. temporary haircolor - Answer-C. the oxidation of haircolor products
__________ refers to either the loss of oxygen or the addition of hydrogen.
A. application
B. reduction
C. reaction
D. oxidation - Answer-B. reduction
when using a permanent wave neutralizer_________.
A. H2O2 loses oxygen
B. the waving solution is oxidized
C. haircolor gains oxygen from H2O2
D. hair is oxidized by removing hydrogen - Answer-D. hair is oxidized by removing
hydrogen
when oxygen is combined with a substances, the substances is ___________.
A. oxidized
B. reduced
C United
D. blended - Answer-A. oxidized
oxidation and reduction always occur simultaneously and are referred to as a
________ reaction
A. rapid oxidation
B. endothermic
C. redox
D. endothermic - Answer-C. redox
what type of chemical reaction requires the absorption of energy or heat from an
external source for the reaction to actually occur?
A. endothermic
B. acid-alkali neutralization
C. exothermic
D. redox - Answer-A. endothermic
which of the following is an example of a pure substances?
A. concrete
B. Aluminum foil
C powder
, D. salt water solution - Answer-B. Aluminum foil
___________, also know as alkalis, are compounds of hydrogen, a metal, and
oxygen.
A. oxides
B. salts
C. Acids
D. bases - Answer-D. bases
what color do acids turn blue litmus paper?
A. darker blue
B. red
C. green
D. yellow - Answer-B. red
a_________ is a stable, uniform mixture of two or more mixable substances that is
made by dissolving a solid, liquid, or gaseous substances in another substances.
A suspension
B. solvent
C. solution
D solute - Answer-C. solution
which if the following allows oil and water to mix or emulsify by reducing surface
tension?
A. surfactant
B suspension
C emulsion
D. solution - Answer-C emulsion
an example of a water-in-oil emulsion is _________.
A. Calamine lotion
B. mayonnaise
C. witch hazel
D. cold cream - Answer-D. cold cream
_________ are examples of emulsions used in barbering services
A. powders
B. shampoos and conditioners
C. hair tonics
D. soaps - Answer-B. shampoos and conditioners
A_________ is so suspension of one liquid dispersed in another.
A. emulsion
B. surfactant
C. solution
D. solvent - Answer-B. surfactant
A ___________ charged ion is called an anion.
A. positively
B. ionized
