PH
pH is an abbreviation of ______.
potential hydrogen
The effects of cosmetics and beauty products are based on which of the following?
How the body reacts to chemicals
What does an oxidizing agent do?
releases oxygen
When immiscible liquids are combined, they form ______.
suspensions
Why is understanding pH important for the beauty and wellness professional?
Because it affects the hair, skin, and nails.
How many accepted pictograms are included in all SDS?
9
What is a solute?
a substance that is dissolved in a solution
When mixing chemicals, one should ______.
use a measuring device, such as a measuring cup or spoon
What did the Safety Data Sheet (SDS) replace?
the Material Safety Data Sheet (MSDS)
An SDS is formatted into ______ categories.
16
If you were to leave the freezer open all night, all of the ice will melt. This is a result of ______.
an endothermic reaction
The pH scale is used to measure ______.
acidity and alkalinity
Everything you can touch and everything you can see is matter EXCEPT ______.
light and electricity
What is a solvent?
a substance that dissolves a solute and makes a solution
Why should beauty professionals study and have a thorough understanding of chemistry?
Because every product used in beauty and wellness contains some type of chemical.
What does a reducing agent do?
adds hydrogen to a chemical compound
SDS are designed for:
use in an emergency
Why should ammonia never be mixed with bleach?
It creates a potentially deadly gas.
What accompanies the rapid oxidation of a substance during combustion?
the production of heat and light
How many elements are known to science today?
118
A ______ is capable of igniting and burning.
combustible
Acid–alkali neutralization reactions occur when an acid is mixed with an alkali in equal proportions, balancing the total pH and forming water (H2O) and ______.
a salt
______ are the basic units of matter.
Atoms