PSI EXAMS Question and answer correctly solved 2024

PSI EXAMS Question and answer correctly solved 2024Oily, dry, normal, or chemically treated - correct answer The four ways hair can generally be categorized as pH scale - correct answer measurement system used to indicate the concentration of hydrogen ions (H+) in solution; ranges from 0 to 14 Alkaline shampoo - correct answer These shampoos are harsher on the hair, since they are farther from the natural pH. Acidic shampoo - correct answer These shampoos most closely match the natural pH of hair. water - correct answer This liquid is known as the universal solvent because it can dissolve more substances than any other solvent. soft water - correct answer rain water or chemically softened water that lathers easily with soap or shampoo