Oxygen-releasing bleaches are complexes of H2O2 (hydrogen peroxide) with sodium perborate or sodium perchlorate. In hot water the peroxide is released and can then act as a bleach.
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Q102: The red-brown pigment in hair is called
A)melanin.
B)phaeomelanin.
C)chlorophyll.
D)β-carotene.
Q108: The brown pigment in hair is called
A)eumelanin.
B)phaeomelanin.
C)chlorophyll.
D)β-carotene.
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A)melanin.
B)phaeomelanin.
C)chlorophyll.
D)none
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