Math, asked by eexample, 11 months ago

bleaching and colouring hair is a chemical or physical change

Answers

Answered by pratiksha72

Answer:

Temporary Hair Dye: Physical change because it just lies on the hair shaft. Semi-Permanent: Chemical because it's causing a long-lasting color change. ... Bleach: Chemical change because the hydrogen peroxide is reacting with the melanin (the part of the hair that gives it the color).

Answered by suneetmantri

Answer:

it is a phisical change

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