Milady Chapter 20 Chemical Texture Exam Questions With Complete Solutions

Milady Chapter 20 Chemical Texture Exam Questions With Complete Solutions Chemical texture procedures involve changing the structure of the hair: - CORRECT ANSWER both physically and chemically The natural pH of hair is between: - CORRECT ANSWER 4.5 and 5.5 Compounds consisting of carbon, oxygen, hydrogen, nitrogen, and sulfur are: - CORRECT ANSWER amino acids Peptide bonds are also known as: - CORRECT ANSWER end bonds The strongest of the three side bonds are: - CORRECT ANSWER disulfide bonds Salt bonds are broken by: - CORRECT ANSWER changes in pH In permanent waving, the size of the curl is determined by the: - CORRECT ANSWER size of the rod The most common type of perm rod is the: - CORRECT ANSWER concave rod Which end paper technique uses one end paper folded in half over the hair ends like an envelope? - CORRECT ANSWER bookend wrap Base placement is determined by the: - CORRECT ANSWER angle at which the hair is wrapped For _____ placement, the hair is wrapped at a 45-degree angle beyond perpendicular to its base section, and the rod is positioned on its base - CORRECT ANSWER on-base In half off-base placement, the hair is wrapped at an angle of: - CORRECT ANSWER 90 degrees or perpendicular to the base section A _____ perm wrap is wrapped perpendicular to the length of the rod, in overlapping concentric layers. - CORRECT ANSWER croquignole The strength of the permanent waving solution is determined primarily by the concentration of - CORRECT ANSWER thio What is the active ingredient in alkaline permanents? - CORRECT ANSWER ammonium thioglycolate Cold wave is another term for a(n) _____ wave. - CORRECT ANSWER alkaline What is the main active ingredient in true acid and acid-balanced waving lotions? - CORRECT ANSWER GMTG True acid waves have a pH between: - CORRECT ANSWER 4.5 and 7.0 A pH of _____ is neutral for hair. - CORRECT ANSWER 5 What kind of waves are sulfites used in? - CORRECT ANSWER low-pH What two important functions are performed by the neutralization process? - CORRECT ANSWER deactivating waving solution and rebuilding disulfide bonds