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Empire Beauty School - Haircoloring Questions and Answers (Graded A+)
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acid - ranges from 0 to 6.9 on the pH scale alkaline - ranges from 7.1 to 14 on the pH scale alkanolamines - used to neutralize acids or raise the pH. May be used in place of ammonia because they create less odor ammonia - a gas with a strong odor, made up of nitrogen and hydrogen aniline deri...
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