How does hydrogen peroxide change hair color?
Added by Sergio G.
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When applied to hair, it penetrates the hair shaft and reacts with the melanin, which is the pigment responsible for giving hair its natural color. The oxidation process breaks down the melanin molecules, causing them to lose their color. As a result, the hair Show more…
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How does hydrogen peroxide bleach hair? A. The H2O2 molecules break the double bonds in pigment molecules. B. Melanin changes H2O2 molecules to double bonds C. The H2O2 molecules add hydrogen to melanin D. The H2O2 molecules add hydrogen and oxygen to melanin What advantage does hydrogen peroxide have over other bleaching agents such as chlorine gas? A. Hydrogen peroxide decomposes into nontoxic water and oxygen. B. Hydrogen peroxide decomposes into nontoxic water and hydrogen C. Hydrogen peroxide decomposes into nontoxic double bonds. D. Hydrogen peroxide decomposes into nontoxic water only. How does hydrogen peroxide play a role in air pollution? A. Peroxide fragments react with unburned fuel creating eye irritants. B. Hydrogen fragments react with unburned fuel creating eye irritants. C. Oxygen fragments react with unburned fuel creating eye irritants. D. Water fragments react with unburned fuel creating eye irritants. In the reaction between melanin and hydrogen peroxide, which substance is oxidized (receives electrons)? Which substance is reduced (loses electrons)? A. melanin is oxidized,hydrogen peroxide is reduced B. hydrogen peroxide is oxidized, melanin is reduced C. hydrogen peroxide and melanin are oxidized D. hydrogen peroxide and melanin are reduced
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