Examlex
The number of pi bonds in the molecule below is
Leukoderma
a skin condition characterized by localized or widespread loss of pigmentation, resulting in white patches on the skin.
Keloid
A form of scar that grows excessively, often larger than the original wound, due to an overproduction of collagen.
Eczema
A condition of the skin characterized by redness, itching, and the occurrence of lesions.
Psoriasis
A chronic autoimmune skin condition characterized by red, scaly, and itchy patches.
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Q64: The following mechanism has been suggested
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Q129: The total number of valence electrons in