Benzidine test detects -a) Hemoglobinb) Myoglobinc) Porphobilinogend) Bilirubine) Biliverdin
Benzidine test is based on the peroxidase activity of haematin, derived from oxidation of hair of haemoglobin (and methemoglobin). This enzyme, in the presence of H2O2 converts colourless salts into coloured bases.
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