Chemistry and Chemical Safety UPDATED
Exam Questions and CORRECT Answers
only
A substance that causes an increase in cellular mutations, some of which are harmful but
other which have little or no effect on the body's function; may cause cancer but not always,
is known a ___________. - Correct Answer- mutagen
the location you use for mixing chemicals must be _________________. - Correct Answer-
well ventilated
as part of the sds categories, handling and storage lists precautions for safe handling and
storage, including - Correct Answer- incompatibilities
on safety data sheets emergency procedures, protective equipment, and proper methods of
containment and cleanup are listed as - Correct Answer- accidental release measures
as a part of the SDS categories, first aid measures include important symptoms/ effects as
well as - Correct Answer- required treatment
what type of chemical reaction balances pH and results in the production of water and a salt -
Correct Answer- acid- alkali neutralization
what type of chemical reaction requires the absorption of energy or heat from external source
for the reaction to actually occur - Correct Answer- endothermic
oxidation and reduction always occur simultaneously and are referred to as a ___________ -
Correct Answer- redox
when oxygen is combined with a substance the substance is_____________________ -
Correct Answer- oxidized
, ___________________________refers to either the loss of oxygen or the addition of
hydrogen - Correct Answer- reduction
what is the average pH for hair and skin - Correct Answer- 5
a______________________________charged ion is called anion - Correct Answer-
negatively
nonaqueous solutions such as alcohol or oil do not have_______________ - Correct Answer-
pH
what does a pH below 7 indicate? - Correct Answer- an acidic solution
the pH scale is __________. - Correct Answer- logarithmic
water in oil emulsions feel __________________________than oil in water emulsions -
Correct Answer- greasier
______________________________are examples of emulsions used in beauty services -
Correct Answer- sampoos and conditioners
an example of a water in oil emulsion is - Correct Answer- cold cream
which of the following allows oil and water to mix or emulsify by reducing surface tension? -
Correct Answer- surfactant
which of the following is an example of a pure substance - Correct Answer- salt
an example of chemical change is - Correct Answer- the oxidation of haircoloring products
an example of a physical change is - Correct Answer- ice melting
Exam Questions and CORRECT Answers
only
A substance that causes an increase in cellular mutations, some of which are harmful but
other which have little or no effect on the body's function; may cause cancer but not always,
is known a ___________. - Correct Answer- mutagen
the location you use for mixing chemicals must be _________________. - Correct Answer-
well ventilated
as part of the sds categories, handling and storage lists precautions for safe handling and
storage, including - Correct Answer- incompatibilities
on safety data sheets emergency procedures, protective equipment, and proper methods of
containment and cleanup are listed as - Correct Answer- accidental release measures
as a part of the SDS categories, first aid measures include important symptoms/ effects as
well as - Correct Answer- required treatment
what type of chemical reaction balances pH and results in the production of water and a salt -
Correct Answer- acid- alkali neutralization
what type of chemical reaction requires the absorption of energy or heat from external source
for the reaction to actually occur - Correct Answer- endothermic
oxidation and reduction always occur simultaneously and are referred to as a ___________ -
Correct Answer- redox
when oxygen is combined with a substance the substance is_____________________ -
Correct Answer- oxidized
, ___________________________refers to either the loss of oxygen or the addition of
hydrogen - Correct Answer- reduction
what is the average pH for hair and skin - Correct Answer- 5
a______________________________charged ion is called anion - Correct Answer-
negatively
nonaqueous solutions such as alcohol or oil do not have_______________ - Correct Answer-
pH
what does a pH below 7 indicate? - Correct Answer- an acidic solution
the pH scale is __________. - Correct Answer- logarithmic
water in oil emulsions feel __________________________than oil in water emulsions -
Correct Answer- greasier
______________________________are examples of emulsions used in beauty services -
Correct Answer- sampoos and conditioners
an example of a water in oil emulsion is - Correct Answer- cold cream
which of the following allows oil and water to mix or emulsify by reducing surface tension? -
Correct Answer- surfactant
which of the following is an example of a pure substance - Correct Answer- salt
an example of chemical change is - Correct Answer- the oxidation of haircoloring products
an example of a physical change is - Correct Answer- ice melting
