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FREE CHEMISTRY AND STUDY GAMES ABOUT
COSMETOLOGY CH 18 EXAM QUESTIONS
Qs and Ans Expert- Explanation
This Exam contains:
-Guarantee passing score -65 Questions and Answers -format set of multiple-choice -Expert- Explanation
Question 1: In permanent waving the size of the curl is determined by the
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size of the rod Question 2: A 90-degree perm wrap that minimizes stress and tension on the hair is
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half-off based Question 3: Curl reformation does not straighten the hair, it simply makes the existing curl
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Larger and looser Question 4: Hydroxide ions left in the hair after a relaxer can be neutralized using an
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acid-balanced shampoo
Question 5: Sodium hydroxide relaxers (NaOH) are commonly called
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lye relaxers Question 6: During the hair and scalp analysis procedure, the stylist should look for
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abrasions and sign of scalp disease
Question 7: An indication of the strength of the side bonds is
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elasticity
Question 8: The main reducing agent in alkaline permanents is
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ammonium thioglycolate
Question 9: hair bonds that cannot be broken by eat or water are
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disulfide bonds
Question 10: Ammonium sulfite and ammonium bisulfite are marketed as
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mild alternative relaxers
Question 11: Permanent waves cannot be performed if the hair is coated
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metallic salts Question 12: Hair that is too weak to hold a curl or may be completely straight after a perm is
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over-processed
Question 13: When checking for test curl development, the test curl should reflect
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firm S formation
Question 14: In permanent waving, the process should be determined by the
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strength of the solution Question 15: The permanent wave rod that produces a uniform curl along the entire width of the strand is a
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straight rod
Question 16: A relaxer with two components mixed immediately prior to use is
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guanidine hydroxide relaxer
Question 17: Most alkaline permanent waves have a pH between
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9.0 and 9.6 Question 18: A reduction reaction involves either the addition of hydrogen or removal of
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oxygen Question 19: One of the most important parts of a successful texture service is the
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client consultation
Question 20: The strength of relaxers is determined by the concentration of
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hydroxide
Question 21: The client record card should include a complete evaluation of the length, texture, and
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condition of the hair Question 22: Hair texture that requires a longer processing or rewetting of solution to ensure complete saturation is
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coarse-textured hair Question 23: Incorrect placement of the rubber band of perm rods will cause band marks or
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breakage Question 24: The term used to describe removing excess water before the application of a neutralizer is
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blotting
Question 25: the natural pH f hair is between
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4.5 and 5.5 Question 26: The position of a permanent wave rod in relation to its base section is the
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base placement Question 27: Performing texture services involves powerful chemicals that must be handled with
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caution Question 28: The measurement of the number of hairs per square inch on the head is
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density
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