Basic Chemistry
Organic substances contain
carbon
An example of a chemical change, such as iron to rust, is
permanent haircolor
_____ is considered to be a universal solvent.
Water
Solutions that soften, swell, or expand the cuticle scales usually have an _____ pH level.
alkaline
The usual pH range of hair conditioners is
3.0 to 5.5
_____ is an example of an inorganic substance.
DOUBLE POINTS
Metal
A chemical reaction that combines an element or compound with oxygen to produce an oxide is known as
oxidation
Soaps lather easily in the presence of
DOUBLE POINTS
soft water
An _____ shampoo is formulated to prevent the stripping of permanent haircolor from hair.
pH-balanced
The primary ingredient in styptic powder or liquid is
alum
An _____ is a substance that cannot be separated into simpler substances by chemical means.
element
The four classifications of compounds are acids, bases, salts, and
oxides
The pH of a water-based solution measures its degree of
acidity or alkalinity
Finishing, detangling, and cream rinses are examples of _____ conditioners.
THRIPLE POINTS
instant
The basic purpose of a cold cream is to
cleanse the skin
The change that occurs in burning wood through oxidation is a _____ change.
physical
A substance that is dissolved in a solvent is called a
solute
The pH range of hair and skin is
4.5 to 5.5
Conditioners that penetrate the cortex to replace lost keratin are _____ conditioners.
protein
_____ is a grooming aid that can stimulate the scalp, correct a scalp condition, or be used as a grooming aid.
Hair tonic
_____ is an example of a chemical compound.
Water
_____ is an example of an emulsion.
THRIPLE POINTS
Shampoo
The condition of the hair and scalp is most influenced by a shampoo product’s
acidity or alkalinity
_____ conditioners are formulated to control minor dandruff and scalp conditions.
Medicated
_____ may have an alcohol content of up to 35 percent.
DOUBLE POINTS
Astringents