SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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physical change
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chemical change
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Either A or B
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None of the above
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Detailed explanation-1: -You blow dry your wet hair. Physical because the dry hair is the same as wet hair.
Detailed explanation-2: -Drying wet hair. Drying wet hair is not a chemical change. Its is a physical change.
Detailed explanation-3: -Blow drying hair that’s too wet or too dry can result in heat damage, dullness and frizz. For this reason, it’s actually best to blow dry DAMP hair, not dripping-wet or bone-dry hair. Blow drying damp hair is the best way to achieve the style you want with minimal damage.
Detailed explanation-4: -Drying clothes is a physical change since only the state of water changes from liquid to vapor, with no changes in chemical makeup or formation of new products.
Detailed explanation-5: -The effect of Heat Styling on the Structure of the Hair Heat styling refers to the styling of dry hair using heat styling tools such as tongs and thermol irons., to change the hair structure. During heat styling, heat breaks down some of the hydrogen bonds allowingthe hair to take the shape of the styling tool.